JEE Main & Advanced Chemistry Alcohols, Phenols and Ethers / एल्कोहॉल, फीनॉल तथा ईथर Question Bank

done Preparation of alcohol Phenol and Ethers Total Questions - 64

• question_answer1)
  Ethanol is prepared industrially by            [MP PMT 1989]
  A)
                  Hydration of ethylene   done clear
  B)
                  Fermentation of sugars done clear
  C)
                  Both the above done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer2)
  Ethyl alcohol is industrially prepared from ethylene by [CPMT 1985]
  A)
                  Permanganate oxidation              done clear
  B)
                  Catalytic reduction done clear
  C)
                  Absorbing in \[{{H}_{2}}S{{O}_{4}}\] followed by hydrolysis done clear
  D)
                  Fermentation done clear
  View Solution play_arrow

• question_answer3)
  Propene, \[C{{H}_{3}}-CH=C{{H}_{2}}\] can be converted to 1-propanol by oxidation. Which set of reagents among the following is ideal to effect the conversion             [CBSE PMT 1991]
  A)
                  Alkaline \[KMn{{O}_{4}}\] done clear
  B)
                  \[{{B}_{2}}{{H}_{6}}\] and alkaline \[{{H}_{2}}{{O}_{2}}\] done clear
  C)
                  \[{{O}_{3}}/Zn\] dust done clear
  D)
                  \[Os{{O}_{4}}/C{{H}_{4}},C{{l}_{2}}\] done clear
  View Solution play_arrow

• question_answer4)
  Which one of the following will produce a primary alcohol by reacting with \[C{{H}_{3}}MgI\]      [MP PET 1991]
  A)
                  Acetone               done clear
  B)
                  Methyl cyanide done clear
  C)
                  Ethylene oxide  done clear
  D)
                  Ethyl acetate done clear
  View Solution play_arrow

• question_answer5)
  The fermentation of starch to give alcohol occurs mainly with the help of              [CPMT 1971; MH CET 1999; RPMT 2000]
  A)
                  \[{{O}_{2}}\] done clear
  B)
                  Air done clear
  C)
                  \[C{{O}_{2}}\]    done clear
  D)
                  Enzymes done clear
  View Solution play_arrow

• question_answer6)
  Coconut oil upon alkaline hydrolysis gives [MP PET 1991; AFMC 2000; KCET 2001; BCECE 2005]
  A)
                  Glycol    done clear
  B)
                  Alcohol done clear
  C)
                  Glycerol               done clear
  D)
                  Ethylene oxide done clear
  View Solution play_arrow

• question_answer7)
  Which enzyme converts glucose and fructose both into ethanol [MP PMT 1989, 90, 96; CPMT 1983, 84, 86, 94; KCET 1989; MNR 1978; MP PET 1994, 99]
  A)
                  Diastase               done clear
  B)
                  Invertase done clear
  C)
                  Zymase                done clear
  D)
                  Maltase done clear
  View Solution play_arrow

• question_answer8)
  Chlorination of toluene in the presence of light and heat followed by treatment with aqueous NaOH gives [IIT-JEE 1990]
  A)
                  o-cresol                done clear
  B)
                  p-cresol done clear
  C)
                  2, 4-dihydroxy toluene  done clear
  D)
                  Benzyl alcohol done clear
  View Solution play_arrow

• question_answer9)
  In the commercial manufacture of ethyl alcohol from starchy substances by fermentation method, which enzymes stepwise complete the fermentation reaction   [BIT 1992]
  A)
                  Diastase, maltase and zymase done clear
  B)
                  Maltase, zymase and invertase done clear
  C)
                  Diastase, zymase and lactase done clear
  D)
                  Diastase, invertase and zymase done clear
  View Solution play_arrow

• question_answer10)
  Primary alcohols can be obtained from the reaction of the RMgX with    [Pb. PMT 2001]
  A)
                  \[C{{O}_{2}}\]    done clear
  B)
   \[HCHO\] done clear
  C)
    \[C{{H}_{3}}CHO\]         done clear
  D)
   \[{{H}_{2}}O\] done clear
  View Solution play_arrow

• question_answer11)
  On heating aqueous solution of benzene diazonium chloride, which is formed   [CPMT 1988; BHU 1980]
  A)
                  Benzene              done clear
  B)
                  Chlorobenzene done clear
  C)
                  Phenol  done clear
  D)
                  Aniline done clear
  View Solution play_arrow

• question_answer12)
  \[LiAl{{H}_{4}}\] converts acetic acid into [CPMT 1977; MP PMT 1990, 92]
  A)
                  Acetaldehyde    done clear
  B)
                  Methane done clear
  C)
                  Ethyl alcohol       done clear
  D)
                  Methyl alcohol done clear
  View Solution play_arrow

• question_answer13)
  Formaldehyde gives an additive product with methyl magnesium iodide which on aqueous hydrolysis gives [MP PMT/PET 1988]
  A)
                  Isopropyl alcohol              done clear
  B)
                  Ethyl alcohol done clear
  C)
                  Methyl alcohol  done clear
  D)
                  Propyl alcohol done clear
  View Solution play_arrow

• question_answer14)
  Benzyl alcohol is obtained from benzaldehyde by [CPMT 1983; MNR 1993]
  A)
                  Fittig's reaction done clear
  B)
                  Cannizaro's reaction done clear
  C)
                  Kolbe's reaction                done clear
  D)
                  Wurtz's reaction done clear
  View Solution play_arrow

• question_answer15)
  Benzene diazonium chloride on boiling with dilute sulphuric acid gives    [MP PMT 1983]
  A)
                  Toluene               done clear
  B)
                  Benzoic acid done clear
  C)
                  Benzene              done clear
  D)
                  Phenol done clear
  View Solution play_arrow

• question_answer16)
  The reaction given below is known as                 \[{{C}_{2}}{{H}_{5}}ONa+I{{C}_{2}}{{H}_{5}}\xrightarrow{{}}{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}}+NaI\] [CPMT 1990; KCET 1990; MH CET 2003; Pb. CET 2002]
  A)
                  Kolbe's synthesis             done clear
  B)
                  Wurtz's synthesis done clear
  C)
                  Williamson's synthesis   done clear
  D)
                  Grignard's synthesis done clear
  View Solution play_arrow

• question_answer17)
  Salicylaldehyde can be prepared from    [CPMT 1983]
  A)
                  Phenol and chloroform done clear
  B)
                  Phenol, chloroform and sodium hydroxide done clear
  C)
                  Phenol, carbon tetrachloride and NaOH done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer18)
  If formaldehyde and potassium hydroxide are heated, then we get        [CPMT 1989, 90; KCET 2000]
  A)
                  Acetylene           done clear
  B)
                  Methane done clear
  C)
                  Methyl alcohol  done clear
  D)
                  Ethyl formate done clear
  View Solution play_arrow

• question_answer19)
  An organic compound dissolved in dry benzene evolved hydrogen on treatment with sodium. It is [NCERT 1981; SCRA 1990]
  A)
                  A ketone             done clear
  B)
                  An aldehyde done clear
  C)
                  A tertiary amine               done clear
  D)
                  An alcohol done clear
  View Solution play_arrow

• question_answer20)
  \[A\underset{\text{dil}\text{. }{{H}_{2}}S{{O}_{4}}}{\mathop{\xrightarrow{{{K}_{2}}C{{r}_{2}}{{O}_{7}}}}}\,B\underset{{{H}_{2}}O}{\mathop{\xrightarrow{C{{H}_{3}}MgI}}}\,C{{H}_{3}}-\underset{OH\ \ \ \ \ \ }{\overset{C{{H}_{3}}\ \ \ \ }{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,-C{{H}_{3}}}}}\,\]. The reactant A is              [MH CET 2002, 03; AFMC 2004; MP PMT/PET 1988;                                                 EAMCET 1989; CPMT 1988; MP PET 2000]
  A)
                  \[C{{H}_{3}}CHOHC{{H}_{3}}\]   done clear
  B)
                  \[C{{H}_{3}}COC{{H}_{3}}\] done clear
  C)
                  \[{{C}_{2}}{{H}_{5}}OH\]               done clear
  D)
                  \[C{{H}_{3}}COOH\] done clear
  View Solution play_arrow

• question_answer21)
  The reaction, water gas \[(CO+{{H}_{2}})+{{H}_{2}}\,\,673K,\,300\] atmosphere in presence of the catalyst \[C{{r}_{2}}{{O}_{3}}/ZnO\] is used for the manufacture of          [MP PMT 1989]
  A)
                  HCHO    done clear
  B)
                  HCOOH done clear
  C)
                  \[C{{H}_{3}}OH\]              done clear
  D)
                  \[C{{H}_{3}}COOH\] done clear
  View Solution play_arrow

• question_answer22)
  \[C{{H}_{2}}=C{{H}_{2}}+{{B}_{2}}{{H}_{6}}\]\[\underset{{{H}_{2}}S{{O}_{4}}}{\mathop{\xrightarrow{NaOH}}}\,\ \text{Product}\text{.}\] Product in above reaction is                                        [RPMT 2003]
  A)
                  \[C{{H}_{3}}C{{H}_{2}}CHO\]      done clear
  B)
                  \[C{{H}_{3}}C{{H}_{2}}OH\] done clear
  C)
                  \[C{{H}_{3}}CHO\]           done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer23)
  Phenolphthalein is obtained by heating phthalic anhydride with conc. \[{{H}_{2}}S{{O}_{4}}\] and             [BHU 1996]
  A)
                  Benzyl alcohol   done clear
  B)
                  Benzene done clear
  C)
                  Phenol  done clear
  D)
                  Benzoic acid done clear
  View Solution play_arrow

• question_answer24)
  Maltose on hydrolysis gives        [BHU 1996; CPMT 2001]
  A)
                  Mannose + glucose         done clear
  B)
                  Galactose + glucose done clear
  C)
                  Glucose                done clear
  D)
                  Mannose + fructose done clear
  View Solution play_arrow

• question_answer25)
  Absolute alcohol can be obtained from rectified spirit [KCET 1985]
  A)
                  By removing the water in it using concentrated sulphuric acid done clear
  B)
                  By removing the water using phosphorus pentoxide done clear
  C)
                  By distilling with the appropriate amount of benzene done clear
  D)
                  By distilling over plenty of quick lime done clear
  View Solution play_arrow

• question_answer26)
  Grignard reagent reacts with compounds containing which of the following groups          [MNR 1987]
  A)
                  \[>C=O\]             done clear
  B)
                  \[-C\equiv N\] done clear
  C)
                  \[>C=S\]              done clear
  D)
                  All of these done clear
  View Solution play_arrow

• question_answer27)
  Oil \[+NaO{{H}_{(aq)}}\xrightarrow{\Delta }\]Glycerol + Soap Above reaction is called                                                [UPSEAT 2001]
  A)
                  Saponification   done clear
  B)
                  Esterification done clear
  C)
                  Hydrogenation  done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer28)
  Acetone on treatment with \[C{{H}_{3}}-Mg-I\] and on further hydrolysis gives                 [UPSEAT 2000]
  A)
                  Isopropyl alcohol              done clear
  B)
                  Primary alcohol done clear
  C)
                  Acetic acid           done clear
  D)
                  2-methyl 2-propanol done clear
  View Solution play_arrow

• question_answer29)
  In the following reaction 'A' is                 \[\begin{align}   & {{C}_{2}}{{H}_{5}}MgBr+{{H}_{2}}C-C{{H}_{2}}\xrightarrow{{{H}_{2}}O}A \\  & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\overset{\backslash /}{\mathop{O}}\, \\ \end{align}\] [MP PET 1994; CBSE PMT 1998]
  A)
                  \[{{C}_{2}}{{H}_{5}}C{{H}_{2}}CHO\]       done clear
  B)
                  \[{{C}_{2}}{{H}_{5}}C{{H}_{2}}C{{H}_{2}}OH\] done clear
  C)
                  \[{{C}_{2}}{{H}_{5}}C{{H}_{2}}OH\]          done clear
  D)
                  \[{{C}_{2}}{{H}_{5}}CHO\] done clear
  View Solution play_arrow

• question_answer30)
  Sodium benzene sulphonate reacts with NaOH and then on acidic hydrolysis, it gives      [Roorkee 1995; KCET 1998]
  A)
                  Phenol  done clear
  B)
                  Benzoic acid done clear
  C)
                  Benzene              done clear
  D)
                  Disodium benzaldehyde done clear
  View Solution play_arrow

• question_answer31)
  Phenol is obtained by heating aqueous solution of [MP PMT 1995]
  A)
                  Aniline  done clear
  B)
                  Benzene diazonium chloride done clear
  C)
                  Benzoic acid done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer32)
  \[{{C}_{2}}{{H}_{5}}MgI\] reacts with HCHO to form last product [MP PMT 1991]
  A)
                  \[C{{H}_{3}}CHO\]           done clear
  B)
                  \[{{C}_{3}}{{H}_{7}}OH\] done clear
  C)
                  \[C{{H}_{3}}COC{{H}_{3}}\]         done clear
  D)
                  \[C{{H}_{3}}COOC{{H}_{3}}\] done clear
  View Solution play_arrow

• question_answer33)
  Which one is not synthesized by Grignard reagent [MP PET 1991]
  A)
                  Primary alcohol done clear
  B)
                  Secondary alcohol done clear
  C)
                  A ketone             done clear
  D)
                  An ester done clear
  View Solution play_arrow

• question_answer34)
  Reaction of aqueous sodium hydroxide on (i) ethyl bromide and (ii) chlorobenzene gives
  A)
                  (i) Ethene and (ii) o-chlorophenol done clear
  B)
                  (i) Ethyl alcohol and (ii) o-chlorophenol done clear
  C)
                  (i) Ethyl alcohol and (ii) phenol done clear
  D)
                  (i) Ethyl alcohol an d(ii) no reaction done clear
  View Solution play_arrow

• question_answer35)
  RMgBr on reaction with an excess of oxygen followed by hydrolysis gives            [Roorkee Qualifying 1998]
  A)
                  RH          done clear
  B)
                  ROOR done clear
  C)
                  ROOH    done clear
  D)
                  ROH done clear
  View Solution play_arrow

• question_answer36)
  The reaction between an ester and excess of Grignard reagent shall finally result in a     [UPSEAT 2000]
  A)
                  Primary alcohol                 done clear
  B)
                  Secondary alcohol done clear
  C)
                  Tertiary alcohol done clear
  D)
                  Ketone done clear
  View Solution play_arrow

• question_answer37)
  The compound that will react most readily with NaOH to form methanol is           [IIT-JEE (Screening) 2001]
  A)
                  \[{{(C{{H}_{3}})}_{4}}{{N}^{+}}{{I}^{-}}\]               done clear
  B)
                  \[C{{H}_{3}}OC{{H}_{3}}\] done clear
  C)
                  \[{{(C{{H}_{3}})}_{3}}{{S}^{+}}{{I}^{-}}\]                done clear
  D)
                  \[{{(C{{H}_{3}})}_{3}}Cl\] done clear
  View Solution play_arrow

• question_answer38)
  When 2-ethylanthraquinol dissolved in a mixture of benzene and cyclohexanol is oxidised, the product is             [JIPMER 1999]
  A)
                  Ethanol done clear
  B)
                  Hydrogen peroxide done clear
  C)
                  Anthracene        done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer39)
  Which gas is eliminated in fermentation                [RPMT 1997]
  A)
                  \[{{O}_{2}}\] done clear
  B)
                  \[C{{O}_{2}}\] done clear
  C)
                  \[{{N}_{2}}\]      done clear
  D)
                  \[{{H}_{2}}\] done clear
  View Solution play_arrow

• question_answer40)
  Action of nitrous acid with ethylamine produces               [BHU 2000]
  A)
                  Ethane  done clear
  B)
                  Ammonia done clear
  C)
                  Ethyl alcohol       done clear
  D)
                  Nitroethane done clear
  View Solution play_arrow

• question_answer41)
  The product of reduction of benzaldehyde is
  A)
                  Benzoic acid       done clear
  B)
                  Benzyl alcohol done clear
  C)
                  Benzene              done clear
  D)
                  Catechol done clear
  View Solution play_arrow

• question_answer42)
  Commercially methanol is prepared by [IIT 1984; MP PMT 1990; KCET 1992]
  A)
                  Reduction of CO in presence of \[ZnO.C{{r}_{2}}{{O}_{3}}\] done clear
  B)
                  Methane reacts with water vapours at \[{{900}^{o}}C\] in presence of Ni catalyst done clear
  C)
                  Reduction of HCHO by \[LiAl{{H}_{4}}\] done clear
  D)
                  Reduction of HCHO by aqueous NaOH done clear
  View Solution play_arrow

• question_answer43)
  Action of water in the presence of sulphuric acid with the following alkenes (i)            \[C{{H}_{3}}-CH=C<\begin{matrix}    C{{H}_{3}}  \\    C{{H}_{3}}  \\ \end{matrix}\] and (ii)           \[C{{H}_{3}}-CH=C{{H}_{2}}\] gives
  A)
                  \[C{{H}_{3}}-C{{H}_{2}}-\underset{OH}{\mathop{\underset{|}{\mathop{C}}\,\ \ }}\,<\begin{matrix}    C{{H}_{3}}  \\    C{{H}_{3}}  \\ \end{matrix}\] and (ii) \[C{{H}_{3}}-\underset{OH}{\mathop{\underset{|}{\mathop{C}}\,H}}\,-C{{H}_{3}}\] done clear
  B)
                  (i) \[C{{H}_{3}}-\underset{OH}{\mathop{\underset{|}{\mathop{C}}\,H}}\,=CH<\begin{matrix}    C{{H}_{3}}  \\    C{{H}_{3}}  \\ \end{matrix}\] and(ii) \[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}OH\] done clear
  C)
                  (i) \[C{{H}_{3}}-\underset{OH}{\mathop{\underset{|}{\mathop{C}}\,H}}\,-CH<\begin{matrix}    C{{H}_{3}}  \\    C{{H}_{3}}  \\ \end{matrix}\] and (ii) \[C{{H}_{3}}-\underset{OH}{\mathop{\underset{|}{\mathop{C}}\,H}}\,-C{{H}_{3}}\] done clear
  D)
                  (i) \[C{{H}_{3}}-C{{H}_{2}}-\underset{OH}{\mathop{\underset{|}{\mathop{C}}\,\ \ }}\,<\begin{matrix}    C{{H}_{3}}  \\    C{{H}_{3}}  \\ \end{matrix}\] and(ii) \[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}OH\] done clear
  View Solution play_arrow

• question_answer44)
  From Williamson?s synthesis preparation of which of following is possible
  A)
                  Only symmetrical ethers               done clear
  B)
                  Only symmetrical ethers done clear
  C)
                  Both types          done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer45)
  In the reaction \[Ar-OH+Rx\xrightarrow{\text{alkali}}A,\] A is [MP PET 1994]
  A)
                  An aldehyde      done clear
  B)
                  An aryl chloride done clear
  C)
                  An ether              done clear
  D)
                  A ketone done clear
  View Solution play_arrow

• question_answer46)
  Williamson's synthesis is used to prepare [DPMT 1976, 81, 82, 83, 84; CPMT 1976, 82]
  A)
                  Acetone               done clear
  B)
                  Diethyl ether done clear
  C)
                  P.V.C.    done clear
  D)
                  Bakelite done clear
  View Solution play_arrow

• question_answer47)
  When an alkyl halide is allowed to react with a sodium alkoxide the product most likely is [MP PMT 1996; EAMCET 1998]
  A)
                  An aldehyde done clear
  B)
                  A ketone done clear
  C)
                  An ether              done clear
  D)
                  A carboxylic acid done clear
  View Solution play_arrow

• question_answer48)
  In Williamson's synthesis, ethoxyethane is prepared by [MP PMT 1995; BHU 2005]
  A)
                  Passing ethanol over heated alumina done clear
  B)
                  Sodium ethoxide with ethyl bromide done clear
  C)
                  Ethyl alcohol with sulphuric acid done clear
  D)
                  Ethyl iodide and dry silver oxide done clear
  View Solution play_arrow

• question_answer49)
  Formation of diethyl ether from ethanol is based on a [BVP 2003]
  A)
                  Dehydration reaction done clear
  B)
                  Dehydrogenation reaction done clear
  C)
                  Hydrogenation reaction done clear
  D)
                  Heterolytic fission reaction done clear
  View Solution play_arrow

• question_answer50)
  The compound formed when ethyl bromide is heated with dry silver oxide is     [MP PET/PMT 1988]
  A)
                  Dimethyl ether done clear
  B)
                  Diethyl ether done clear
  C)
                  Methyl alcohol  done clear
  D)
                  Ethyl alcohol done clear
  View Solution play_arrow

• question_answer51)
  The reagent used for the preparation of higher ether from halogenated ethers is             [Tamil Nadu CET 2001]
  A)
                  conc. \[{{H}_{2}}S{{O}_{4}}\]      done clear
  B)
                  Sodium alkoxide done clear
  C)
                  Dry silver oxide done clear
  D)
                  Grignard reagent done clear
  View Solution play_arrow

• question_answer52)
  Acetyl  bromide reacts with excess of \[C{{H}_{3}}MgI\] followed by treatment with a saturated solution of \[N{{H}_{4}}Cl\] gives [AIEEE 2004]
  A)
                  2-methyl-2-propanol      done clear
  B)
                  Acetamide done clear
  C)
                  Acetone               done clear
  D)
                  Acetyl iodide done clear
  View Solution play_arrow

• question_answer53)
  What is obtained when chlorine is passed in boiling toluene and product is hydrolysed   [DCE 2004]
  A)
                  o-Cresol               done clear
  B)
                  p-Cresol done clear
  C)
                  2, 4-Dihydroxytoluene   done clear
  D)
                  Benzyl alcohol done clear
  View Solution play_arrow

• question_answer54)
  Which of the following is formed when benzaldehyde reacts with sodium hydroxide      [Pb. CET 2002]
  A)
                  Benzyl alcohol   done clear
  B)
                  Benzoic acid done clear
  C)
                  Glucose done clear
  D)
                  Acetic acid done clear
  View Solution play_arrow

• question_answer55)
  When ethanal reacts with \[C{{H}_{3}}MgBr\] and \[{{C}_{2}}{{H}_{5}}OH\]/dry HCl the product formed are        [DCE 2003]
  A)
                  Ethyl alcohol and 2-propanol done clear
  B)
                  Ethane and hemi-acetal done clear
  C)
                  2-propanol and acetal done clear
  D)
                  Propane and methyl acetate done clear
  View Solution play_arrow

• question_answer56)
  Which of the following is industrially prepared by passing ethylene into hypochlorous acid           [BHU 2004]
  A)
                  Ethylene glycol  done clear
  B)
                  Ethylene oxide done clear
  C)
                  Ethylene dinitrate            done clear
  D)
                  Ethane done clear
  View Solution play_arrow

• question_answer57)
  In which case methyl-t-butyl ether is formed [Orissa JEE 2004]
  A)
                  \[{{({{C}_{2}}{{H}_{5}})}_{3}}CONa+C{{H}_{3}}Cl\] done clear
  B)
                  \[{{(C{{H}_{3}})}_{3}}CONa+C{{H}_{3}}Cl\] done clear
  C)
                  \[{{(C{{H}_{3}})}_{3}}CONa+{{C}_{2}}{{H}_{5}}Cl\] done clear
  D)
                  \[{{(C{{H}_{3}})}_{3}}CONa+C{{H}_{3}}Cl\] done clear
  View Solution play_arrow

• question_answer58)
  Which of the following combinations can be used to synthesize ethanol                [KCET 2004]
  A)
                  \[C{{H}_{3}}MgI\] and \[C{{H}_{3}}COC{{H}_{3}}\] done clear
  B)
                  \[C{{H}_{3}}MgI\] and \[{{C}_{2}}{{H}_{5}}OH\] done clear
  C)
                  \[C{{H}_{3}}MgI\] and \[C{{H}_{3}}COO{{C}_{2}}{{H}_{5}}\] done clear
  D)
                  \[C{{H}_{3}}MgI\] and \[HCOO{{C}_{2}}{{H}_{5}}\] done clear
  View Solution play_arrow

• question_answer59)
  \[{{C}_{6}}{{H}_{5}}-CH=CHCHO\xrightarrow{X}{{C}_{6}}{{H}_{5}}CH=CHC{{H}_{2}}OH\]. In the above sequence X can be                 [DCE 2004]
  A)
                  \[{{H}_{2}}/Ni\]                done clear
  B)
                  \[NaB{{H}_{4}}\] done clear
  C)
                  \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}/{{H}^{+}}\]             done clear
  D)
                  Both A and B done clear
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• question_answer60)
  Alkenes convert into alcohols by               [MP PET 1991]
  A)
                  Hydrolysis by dil. \[{{H}_{2}}S{{O}_{4}}\] done clear
  B)
                  Hydration of alkene by alkaline \[KMn{{O}_{4}}\] done clear
  C)
                  Hydrolysis by water vapours and conc. \[{{H}_{2}}S{{O}_{4}}\] done clear
  D)
                  Hydration of alkene by aqueous KOH done clear
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• question_answer61)
  Acetic acid and \[C{{H}_{3}}OH\] are obtained on large scale by destructive distillation of
  A)
                  Wood    done clear
  B)
                  Coal done clear
  C)
                  Turpentine         done clear
  D)
                  Crude oil done clear
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• question_answer62)
  Which is formed when benzalamine react with nitrous acid [KCET (Med.) 2001]
  A)
                  \[{{C}_{6}}{{H}_{5}}OH\]               done clear
  B)
                  \[{{C}_{6}}{{H}_{5}}ON\] done clear
  C)
                  \[{{C}_{2}}{{H}_{5}}{{N}_{2}}OH\]            done clear
  D)
                  \[{{C}_{6}}{{H}_{5}}C{{H}_{2}}OH\] done clear
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• question_answer63)
  Acid catalyzed hydration of alkenes except ethene leads to the formation of      [AIEEE 2005]
  A)
                  Primary alcohol done clear
  B)
                  Secondary or tertiary alcohol done clear
  C)
                  Mixture of primary and secondary alcohols done clear
  D)
                  Mixture of secondary and tertiary alcohols done clear
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• question_answer64)
  Methylphenyl ether can be obtained by reacting [J & K 2005]
  A)
                  Phenolate ions and methyl iodide done clear
  B)
                  Methoxide ions and bromobenzene done clear
  C)
                  Methanol and phenol done clear
  D)
                  Bromo benzene and methyl bromide done clear
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