12th Class Chemistry Alcohols, Phenols and Ethers / एल्कोहॉल, फीनॉल तथा ईथर Question Bank

done MCQs - Alcohols, Phenols and Ethers Total Questions - 60

• question_answer1)
  Which of the following reagents cannot be used to oxidise primary alcohols to aldehydes?
  A)
  \[Cr{{O}_{3}}\] in anhydrous medium. done clear
  B)
  \[KMn{{O}_{4}}\] in acidic medium. done clear
  C)
  Pyridinium chlorochromate. done clear
  D)
  Heat in the presence of Cu at 573 K. done clear
  View Solution play_arrow

• question_answer2)
  A primary alcohol, \[{{C}_{3}}{{H}_{8}}O\] [A] on heating with sulphuric acid undergo dehydration to give an alkene, B. B when reacted with HCl gave C,  which on treatment with aqueous KOH gives compound D, \[{{C}_{3}}{{H}_{8}}O\]. A and D are
  A)
  functional isomers done clear
  B)
  position isomers done clear
  C)
  chain isomers done clear
  D)
  stereo isomers. done clear
  View Solution play_arrow

• question_answer3)
  Which of the following reactions will not yield phenol?
  A)
  done clear
  B)
  done clear
  C)
  done clear
  D)
  done clear
  View Solution play_arrow

• question_answer4)
  IUPAC name of the compound \[C{{H}_{3}}-\underset{\begin{smallmatrix} | \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{CH}}\,-OC{{H}_{3}}\]is
  A)
  1-methoxy-l-methylethane done clear
  B)
  2-methoxy-2-methylethane done clear
  C)
  2-methoxypropane done clear
  D)
  isopropylmethyl ether. done clear
  View Solution play_arrow

• question_answer5)

  Arrange the following alcohols in order of

  (i) \[{{\left( C{{H}_{3}} \right)}_{3}}C-OH\]

  (ii) \[{{\left( C{{H}_{3}} \right)}_{2}}CH-OH\]

  (iii) \[C{{H}_{3}}C{{H}_{2}}OH\]

  A)
  (iii) < (ii) < (i) done clear
  B)
  (ii) < (i) < (iii) done clear
  C)
  (i) < (ii) < (iii) done clear
  D)
  (iii) < (i) < (ii) done clear
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• question_answer6)
  Which of the following compounds will be most easily attacked by an electrophile?
  A)
  done clear
  B)
  done clear
  C)
  done clear
  D)
  done clear
  View Solution play_arrow

• question_answer7)

  Which reducing agent is used for the following conversion?

  \[RCOOH\to RC{{H}_{2}}OH\]

  A)
  \[LiAl{{H}_{4}}\] done clear
  B)
  \[NaB{{H}_{4}}\] done clear
  C)
  \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\] done clear
  D)
  \[KMn{{O}_{4}}\] done clear
  View Solution play_arrow

• question_answer8)
  Which of the following alcohols reacts most readily with Lucas reagent?
  A)
  \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}OH\] done clear
  B)
  \[C{{H}_{3}}-\underset{\begin{smallmatrix} | \\  OH \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{3}}\] done clear
  C)
  \[C{{H}_{3}}-\underset{\begin{smallmatrix} | \\  C{{H}_{3}} \end{smallmatrix}}{\overset{\begin{smallmatrix}  C{{H}_{3}} \\ | \end{smallmatrix}}{\mathop{C}}}\,-OH\] done clear
  D)
  \[C{{H}_{3}}-\underset{\begin{smallmatrix} | \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{2}}OH\] done clear
  View Solution play_arrow

• question_answer9)
  Phenol when treated with excess of bromine water gives a white precipitate of
  A)
  2, 4, 6-tribromophenol done clear
  B)
  o-bromophenol done clear
  C)
  p-bromophenol done clear
  D)
  bromobenzene. done clear
  View Solution play_arrow

• question_answer10)
  One mole of ethyl acetate on treatment with an excess of \[LiAI{{H}_{4}}\] in dry ether and subsequent acidification produces
  A)
  1 mol acetic acid + 1 mol ethyl alcohol done clear
  B)
  1 mol ethyl alcohol + 1 mol methyl alcohol done clear
  C)
  2 moles of ethyl alcohol done clear
  D)
  1 mol of 2-butanol. done clear
  View Solution play_arrow

• question_answer11)
  Which of the following are the products shown by the reaction of methoxyethane with HI?
  A)
  \[{{C}_{2}}{{H}_{5}}I+C{{H}_{3}}OH\] done clear
  B)
  \[C{{H}_{3}}I+{{H}_{2}}O\] done clear
  C)
  \[{{C}_{2}}{{H}_{5}}OH+{{H}_{2}}O\] done clear
  D)
  \[{{C}_{2}}{{H}_{5}}OH+C{{H}_{3}}I\] done clear
  View Solution play_arrow

• question_answer12)
  p-Nitrophenol is a stronger acid than phenol while p-cresol is a weaker acid. This can be explained as
  A)
  —\[C{{H}_{3}}\] group decreases the electron density on oxygen of O—H group making p-cresol a weaker acid done clear
  B)
  —\[N{{O}_{2}}\] group decreases electron density on oxygen of O—H group making p-nitrophenol a stronger acid done clear
  C)
  —\[C{{H}_{3}}\] group increases the electron density on oxygen of O—H group making release of \[{{H}^{+}}\]easier done clear
  D)
  —\[N{{O}_{2}}\] group increases the electron density on oxygen of O—H group making release of \[{{H}^{+}}\] easier. done clear
  View Solution play_arrow

• question_answer13)
  Which of the following alcohols will give the most stable carbocation during dehydration?
  A)
  2-Methyl-1-propanol done clear
  B)
  2-Methyl-2-propanol done clear
  C)
  1-Butanol done clear
  D)
  2-Butanol done clear
  View Solution play_arrow

• question_answer14)
  An organic compound with molecular formula \[{{C}_{4}}{{H}_{10}}O\] does not react with sodium. With excess of HI it gives only one type of alkyl halide. The compound is
  A)
  \[{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}}\] done clear
  B)
  \[C{{H}_{3}}\underset{\begin{smallmatrix} | \\  OC{{H}_{3}} \end{smallmatrix}}{\mathop{CH}}\,C{{H}_{3}}\] done clear
  C)
  \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}OC{{H}_{3}}\] done clear
  D)
  \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}OH\] done clear
  View Solution play_arrow

• question_answer15)
  Unlike phenol, 2, 4-dinitrophenol is soluble in sodium carbonate solution in water because
  A)
  presence of two —\[N{{O}_{2}}\] groups in the ring makes 2, 4-dinitrophenol a stronger acid than phenol done clear
  B)
  presence of two —\[N{{O}_{2}}\] groups in the ring makes 2, 4-dinitrophenol a weaker acid than phenol done clear
  C)
  presence of two —\[N{{O}_{2}}\] groups make the hydrogen bonding easier, making 2, 4-dinitrophenol soluble done clear
  D)
  nitro group reacts with \[N{{a}_{2}}C{{O}_{3}}\] while —OH group does not. done clear
  View Solution play_arrow

• question_answer16)
  Which of the following is not true in case of reaction with heated copper at \[300{}^\circ C\]?
  A)
  Phenol\[\to \] benzyl alcohol done clear
  B)
  Secondary alcohol \[\to \] ketone done clear
  C)
  Primary alcohol\[\to \] aldehyde done clear
  D)
  Tertiary alcohol\[\to \] olefin. done clear
  View Solution play_arrow

• question_answer17)
  Which of the following compounds will give tribromo derivative on treatment with bromine water?
  A)
  done clear
  B)
  done clear
  C)
  done clear
  D)
  done clear
  View Solution play_arrow

• question_answer18)
  A compound X with the molecular formula \[{{C}_{3}}{{H}_{8}}O\] can be oxidised to another compound Y whose molecular formula is \[{{C}_{3}}{{H}_{6}}{{O}_{2}}\]. The compound X may be
  A)
  \[C{{H}_{3}}C{{H}_{2}}OC{{H}_{3}}\] done clear
  B)
  \[C{{H}_{3}}C{{H}_{2}}CHO\] done clear
  C)
  \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}OH\] done clear
  D)
  \[C{{H}_{3}}CHOHC{{H}_{3}}\] done clear
  View Solution play_arrow

• question_answer19)
  Which of the following products are not correctly matched in the given reactions?
  A)
  \[{{C}_{2}}{{H}_{5}}OC{{H}_{3}}+HBr\xrightarrow{373\,K}{{C}_{2}}{{H}_{5}}OH+C{{H}_{3}}Br\] done clear
  B)
  \[{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}}+\underset{Excess}{\mathop{2HI}}\,\to {{C}_{2}}{{H}_{5}}I+{{C}_{2}}{{H}_{5}}OH\] done clear
  C)
  \[{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}}+HCl\xrightarrow{Cold}\left[ {{\left( {{C}_{2}}{{H}_{5}} \right)}_{2}}{{O}^{+}}H \right]C{{l}^{-}}\] done clear
  D)
   \[{{\left( C{{H}_{3}} \right)}_{3}}CO{{C}_{2}}{{H}_{5}}\xrightarrow{HI}{{\left( C{{H}_{3}} \right)}_{3}}CI+{{C}_{2}}{{H}_{5}}OH\] done clear
  View Solution play_arrow

• question_answer20)
  Phenyl methyl ether (anisole) reacts with HI to give phenol and methyl iodide and not iodobenzene and methyl alcohol because
  A)
  ion prefers to combine with the smaller group in order to minimise steric hindrance done clear
  B)
  \[{{I}^{-}}\] ion is not reactive towards benzene done clear
  C)
  phenol is formed as a result of hydrolysis of iodobenzene done clear
  D)
  methyl alcohol formed during reaction reacts with \[{{I}^{-}}\] to form methyl iodide. done clear
  View Solution play_arrow

• question_answer21)

  Identify the final product of the reaction sequence.

  A)
  Benzophenone done clear
  B)
  Acetophenone done clear
  C)
  Diphenyl done clear
  D)
  Methyl salicylate done clear
  View Solution play_arrow

• question_answer22)
  The C—O—H bond angle in alcohols slightly less than the tetrahedral angle whereas the C—O—C bond angle in ether is slightly greater because
  A)
  of repulsion between the two bulky R groups. done clear
  B)
  O atom in both alcohols and ethers is \[s{{p}^{3}}\]- hybridised. done clear
  C)
  lone pair - lone pair repulsion is greater than bond pair-bond pair replusion. done clear
  D)
  None of these. done clear
  View Solution play_arrow

• question_answer23)
  The most suitable reagent for the conversion of \[RC{{H}_{2}}OH\to RCHO\] is
  A)
  \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\] done clear
  B)
  \[Cr{{O}_{3}}\] done clear
  C)
  \[KMn{{O}_{4}}\] done clear
  D)
  PCC. done clear
  View Solution play_arrow

• question_answer24)
  The major product of acid catalyzed dehydration of 2-methylcyclohexanol and butan- 1-ol are respectively
  A)
  1-methylcyclohexene and but-1-ene done clear
  B)
  2-methylcyclohexene and but-2-ene done clear
  C)
  2-methylcyclohexene and butane done clear
  D)
  1-methylcyclohexene and but-2-ene. done clear
  View Solution play_arrow

• question_answer25)
  Ethers are prepared by the reaction of sodium alkoxides and alkyl halides. Which of the following reagents should be taken to prepare methyl tert-butyl ether?
  A)
  \[{{\left( C{{H}_{3}} \right)}_{3}}C-Br+NaOC{{H}_{3}}\] done clear
  B)
  \[C{{H}_{3}}Br+NaOC{{\left( C{{H}_{3}} \right)}_{3}}\] done clear
  C)
  \[C{{H}_{3}}C{{H}_{2}}Br+NaOC{{\left( C{{H}_{3}} \right)}_{2}}\] done clear
  D)
  \[{{\left( C{{H}_{3}} \right)}_{2}}C-Br+NaOC{{H}_{2}}C{{H}_{3}}\] done clear
  View Solution play_arrow

• question_answer26)
  IUPAC name of \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}\underset{\begin{smallmatrix} | \\  C{{H}_{2}}OH \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{2}}C{{H}_{3}}\]is
  A)
  3-propylbutan-1-ol done clear
  B)
  2-ethylpentan-1-ol done clear
  C)
  3-methyl hydroxyhexane done clear
  D)
  2-ethyl-2-propyl ethanol done clear
  View Solution play_arrow

• question_answer27)
  Compound \[{{C}_{2}}{{H}_{6}}O\] has two isomers X and Y. On reaction with HI, X gives alkyl iodide and water while Y gives alkyl iodide and alcohol. Compounds X and Y are respectively
  A)
  \[{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}}\]and \[C{{H}_{3}}O{{C}_{2}}{{H}_{5}}\] done clear
  B)
  \[C{{H}_{3}}OC{{H}_{3}}\] and \[{{C}_{2}}{{H}_{5}}OC{{H}_{3}}\] done clear
  C)
  \[{{C}_{2}}{{H}_{5}}OH\] and \[C{{H}_{3}}OC{{H}_{3}}\] done clear
  D)
  \[C{{H}_{3}}OH\] and \[C{{H}_{3}}OC{{H}_{3}}\] done clear
  View Solution play_arrow

• question_answer28)

  In the following sequence of reactions,

  the compound Q formed will be

  A)
  aniline done clear
  B)
  phenol done clear
  C)
  benzaldehyde done clear
  D)
  benzene sulphonic acid. done clear
  View Solution play_arrow

• question_answer29)
  Out of benzene and phenol, phenol is more easily nitrated because
  A)
  presence of— OH group in phenol increases the electron density at ortho and para-position done clear
  B)
  presence of— OH gorup in phenol decreases the electron density at ortho and para-position done clear
  C)
  nitration being electrophilic substitution requires less density at ortho and para-position done clear
  D)
  phenol is more reactive than benzene due to-R effect. done clear
  View Solution play_arrow

• question_answer30)
  The reaction between phenol and chloroform in the presence of aqueous NaOH is
  A)
  nucleophilic substitution reaction done clear
  B)
  electrophilic addition reaction done clear
  C)
  electrophilic substitution reaction done clear
  D)
  nucleophilic addition reaction done clear
  View Solution play_arrow

• question_answer31)
  Which of the following statements is correct?
  A)
  The reaction of methyl magnesium iodide with acetone followed by hydrolysis gives secondary butanol. done clear
  B)
  Primary alcohols are dehydrated easily than secondary and tertiary alcohols. done clear
  C)
  Tertiary alcohol is more acidic than primary alcohol. done clear
  D)
  Tertiary butyl alcohol gives turbidity fastest with Lucas reagent. done clear
  View Solution play_arrow

• question_answer32)
  For the reaction, \[{{C}_{2}}{{H}_{5}}OH+HX\to {{C}_{2}}{{H}_{5}}X+{{H}_{2}}O\]; the order of reactivity is
  A)
  \[HCl>HBr>HI\] done clear
  B)
  \[HI\text{ }>\text{ }HBr\text{ }>\text{ }HCl\] done clear
  C)
  \[HBr\text{ }>\text{ }HCl\text{ }>\text{ }HI\] done clear
  D)
  \[HI\text{ }>\text{ }HCl\text{ }>\text{ }HBr\] done clear
  View Solution play_arrow

• question_answer33)
  Arrange the following compounds in increasing order of boiling points. Propan-1-ol butan-1-ol, butan-2-ol, pentan-1-ol.
  A)
  Propan-1-ol < butan-2-ol < butan-1-ol < pentan-1-ol done clear
  B)
  Propan-1-ol < butan-1-ol < butan-2-ol < pentan-1-ol done clear
  C)
  Pentan-1-ol < butan-2-ol < butan-1-ol < propan-1-ol done clear
  D)
  Pentan-1-ol < butan-1-ol < butan-2-ol < propan-1-ol done clear
  View Solution play_arrow

• question_answer34)
  The total number of isomers possible for compound with molecular formula  \[{{C}_{5}}{{H}_{12}}O\] having \[-OH\] as functional group is
  A)
  8 done clear
  B)
  6 done clear
  C)
  4 done clear
  D)
  12 done clear
  View Solution play_arrow

• question_answer35)
  An equimolar quantities of ethanol and propanol is heated with cone. \[{{H}_{2}}S{{O}_{4}}\]. The products formed are
  A)
  \[{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}}\]            done clear
  B)
  \[{{C}_{3}}{{H}_{7}}O{{C}_{3}}{{H}_{7}}\] done clear
  C)
  \[{{C}_{2}}{{H}_{5}}O{{C}_{3}}{{H}_{7}}\] done clear
  D)
  all of these. done clear
  View Solution play_arrow

• question_answer36)
  Which of the following is not a characteristic of alcohol?
  A)
  They are lighter than water. done clear
  B)
  Their boiling points rise fairly uniformly with rising molecular weight. done clear
  C)
  Lower members are insoluble in water and organic solvents but the solubility regularly increases with molecular mass. done clear
  D)
  Lower members have a pleasant smell and burning taste, higher members are colourless and tasteless. done clear
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• question_answer37)
  Conversion of phenol to salicylic acid and to salicyaldehyde are known as (respectively)
  A)
  Reimer-Tiemann reaction and Kolbe's reaction done clear
  B)
  Williamson's synthesis and Hydroboration- oxidation done clear
  C)
  Kolbe's reaction and Williamson's synthesis done clear
  D)
  Kolbe's reaction and Reimer-Tiemann reaction done clear
  View Solution play_arrow

• question_answer38)
  \[{{\left( C{{H}_{3}} \right)}_{3}}C-C{{H}_{2}}OH\xrightarrow[170{}^\circ C]{Conc.\,{{H}_{2}}S{{O}_{4}}}X\] In the reaction, X is
  A)
  \[{{\left( C{{H}_{3}} \right)}_{2}}C=CHC{{H}_{3}}\] done clear
  B)
  \[C{{H}_{3}}C\equiv CH\] done clear
  C)
  \[{{\left( C{{H}_{3}} \right)}_{2}}CHC{{H}_{2}}C{{H}_{3}}\] done clear
  D)
  \[C{{H}_{3}}-C{{H}_{2}}-\underset{\begin{smallmatrix} | \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{C}}\,=C{{H}_{2}}\] done clear
  View Solution play_arrow

• question_answer39)
  Cumene on reaction with oxygen followed by hydrolysis gives
  A)
  \[C{{H}_{3}}OH\] and \[{{C}_{6}}{{H}_{5}}COC{{H}_{3}}\] done clear
  B)
  \[{{C}_{6}}{{H}_{5}}OH\] and \[{{\left( C{{H}_{3}} \right)}_{2}}O\] done clear
  C)
  \[{{C}_{6}}{{H}_{5}}OC{{H}_{3}}\] and \[C{{H}_{3}}OH\] done clear
  D)
  \[{{C}_{6}}{{H}_{5}}OH\] and \[C{{H}_{3}}COC{{H}_{3}}\] done clear
  View Solution play_arrow

• question_answer40)
  Benzoquinone is prepared by reaction of phenol with
  A)
  \[N{{a}_{2}}C{{r}_{2}}{{O}_{7}}\], \[{{H}_{2}}S{{O}_{4}}\] done clear
  B)
  \[KMn{{O}_{4}}\], \[{{H}_{2}}S{{O}_{4}}\] done clear
  C)
  \[N{{a}_{2}}Cr{{O}_{4}}\], HCl done clear
  D)
  \[{{K}_{2}}Mn{{O}_{4}}\], \[{{H}_{2}}S{{O}_{4}}\] done clear
  View Solution play_arrow

• question_answer41)

  Which of the following is the proper method to prepare n-hexane from n-propyl alcohol?

  \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}OH\xrightarrow{(X)}C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}Br\xrightarrow{(Y)}\]

  \[C{{H}_{3}}{{\left( C{{H}_{2}} \right)}_{4}}C{{H}_{3}}\]

   
  A)
  (X) \[\to \]HBr, (Y) \[\to \]HCN done clear
  B)
  (X) \[\to \]HBr, (Y) \[\to \]Na, ether done clear
  C)
  (X) \[\to \]\[B{{r}_{2}}\], (Y) \[\to \]\[C{{H}_{3}}CN\] done clear
  D)
  (X) \[\to \]\[B{{r}_{2}}\], (Y) \[\to \]\[KMn{{O}_{4}}\] done clear
  View Solution play_arrow

• question_answer42)
  Which of the following alcohols gives the best yield of dialkyl ether on being heated with a trace of sulphuric acid?
  A)
  2-Pentanol done clear
  B)
  2-Methyl-2-butanol done clear
  C)
  1-Pentanol done clear
  D)
  2-Propanol done clear
  View Solution play_arrow

• question_answer43)
  Which of the following alcohols is dehydrated most easily with cone. \[{{H}_{2}}S{{O}_{4}}\]?
  A)
  \[p-{{O}_{2}}N{{C}_{6}}{{H}_{4}}CH\left( OH \right)C{{H}_{3}}\] done clear
  B)
  \[p-Cl{{C}_{6}}{{H}_{4}}CH(OH)C{{H}_{3}}\] done clear
  C)
  \[p-C{{H}_{3}}O{{C}_{6}}{{H}_{4}}CH(OH)C{{H}_{3}}\] done clear
  D)
  \[{{C}_{6}}{{H}_{5}}CH\left( OH \right)C{{H}_{3}}\] done clear
  View Solution play_arrow

• question_answer44)
  Propanone on reaction with alkyl magnesium bromide followed by hydrolysis will produce
  A)
  primary alcohol done clear
  B)
  secondary alcohol done clear
  C)
  tertiary alcohol done clear
  D)
  carboxylic acid. done clear
  View Solution play_arrow

• question_answer45)
  Complete the missing links. \[C{{H}_{3}}CHBrC{{H}_{3}}\xrightarrow{alc.\,KOH}X\xrightarrow[Peroxide]{HBr}Y\xrightarrow{C{{H}_{3}}ONa}Z\]
  A)

  	X	Y	Z
  	\[C{{H}_{3}}CH=C{{H}_{2}}\]	\[C{{H}_{3}}CH\left( Br \right)C{{H}_{2}}Br\]	\[C{{H}_{3}}CH\left( OH \right)C{{H}_{3}}\]

  done clear
  B)

  \[C{{H}_{3}}CH=C{{H}_{2}}\]

  \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}Br\]

  \[C{{H}_{3}}C{{H}_{2}}OC{{H}_{2}}C{{H}_{3}}\]

  done clear
  C)

  \[C{{H}_{3}}CH=C{{H}_{2}}\]

  \[C{{H}_{3}}CH\left( Br \right)C{{H}_{3}}\]

  \[C{{H}_{3}}C{{H}_{2}}OC{{H}_{2}}C{{H}_{3}}\]

  done clear
  D)

  \[C{{H}_{3}}CH=C{{H}_{2}}\]

  \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}Br\]

  \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}OC{{H}_{3}}\]

  done clear
  View Solution play_arrow

• question_answer46)
  The decreasing order of boiling points of the following alcohols is    
  A)
  3-methylbutan-2-ol > 2-methylbutan-2-ol > pentan-1-ol done clear
  B)
  pentan-1-ol > 3-methylbutan-2-ol > 2 -methylbutan-2-ol done clear
  C)
  2-methylbutan-2-ol > 3-methylbutan-2-ol > pentan-1-ol done clear
  D)
  2-methylbutan-2-ol > pentan-1-ol > 3-methylbutan-2-ol done clear
  View Solution play_arrow

• question_answer47)
  Which of the following compounds does not react with NaOH?
  A)
  \[C{{H}_{3}}COOH\] done clear
  B)
  \[C{{H}_{3}}CON{{H}_{2}}\] done clear
  C)
  \[{{C}_{6}}{{H}_{5}}OH\] done clear
  D)
  \[C{{H}_{3}}C{{H}_{2}}OH\] done clear
  View Solution play_arrow

• question_answer48)
  Anisole on reaction with chloromethane in presence of anhydrous \[AlC{{l}_{3}}\] gives
  A)
  o-methyl anisole and p-methoxy anisole done clear
  B)
  p-methyl anisole and p-methoxy anisole done clear
  C)
  o-methyl anisole and p-methyl anisole done clear
  D)
  o-methoxy acetophenone and p-methoxy acetophenone. done clear
  View Solution play_arrow

• question_answer49)
  Vapours of an alcohol X when passed over hot reduced copper, produce an alkene, the alcohol is
  A)
  primary alcohol done clear
  B)
  secondary alcohol done clear
  C)
  tertiary alcohol done clear
  D)
  dihydric alcohol. done clear
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• question_answer50)
  Acid catalysed dehydration of t-butanol is faster than that of n-butanol because
  A)
  tertiary carbocation is more stable than primary carbocation done clear
  B)
  primary carbocation is more stable than tertiary carbocation done clear
  C)
  t-butanol has a higher boiling point done clear
  D)
  rearrangement takes place during dehydration of t-butanol. done clear
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• question_answer51)
  Match the column I with column II and mark the appropriate choice.

  	Column - I		Column - II
  [A]	Catechol	(i)
  [B]	Resorcinol	(ii)
  [C]	p-Cresol	(iii)
  [D]	Quinol	(iv)

  A)
  [A] \[\to \] (ii), [B] \[\to \](iii), [C] \[\to \] (iv), [D] \[\to \](i) done clear
  B)
  [A] \[\to \] (i), [B] \[\to \](ii), [C] \[\to \] (iii), [D]\[\to \](iv) done clear
  C)
  [A] \[\to \](iv), [B] \[\to \] (iii), [C] \[\to \] (ii), [D] \[\to \] (i) done clear
  D)
  [A] \[\to \] (ii), [B] \[\to \] (iv), [C] \[\to \] (i), [D] \[\to \](iii) done clear
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• question_answer52)
  Ether is obtained from ethyl alcohol in presence of \[{{H}_{2}}S{{O}_{4}}\] at
  A)
  113 K done clear
  B)
  443 K done clear
  C)
  413 K done clear
  D)
  213 K done clear
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• question_answer53)
  How many alcohols with molecular formula \[{{C}_{4}}{{H}_{10}}O\] are chiral in nature?
  A)
  1 done clear
  B)
  2 done clear
  C)
  3 done clear
  D)
  4 done clear
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• question_answer54)
  IUPAC name of m-cresol is
  A)
  3-methylphenol done clear
  B)
  3-chlorophenol done clear
  C)
  3-methoxyphenol done clear
  D)
  benzene-1, 3-diol. done clear
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• question_answer55)
  Which of the following is most acidic?
  A)
  Benzyl alcohol done clear
  B)
  Cyclohexanol done clear
  C)
  Phenol done clear
  D)
  m-Chlorophenol done clear
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• question_answer56)
  Boiling point of ethyl alcohol is greater than ether due to
  A)
  van der Waals forces done clear
  B)
  London forces done clear
  C)
  polarity done clear
  D)
  hydrogen bonding. done clear
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• question_answer57)
  Which of the following is phenol?
  A)
  Cresol done clear
  B)
  Catechol done clear
  C)
  Benzenol done clear
  D)
  All of these done clear
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• question_answer58)
  Propene, \[C{{H}_{3}}CH=C{{H}_{2}}\] can be converted into 1-propanol by oxidation. Indicate which set of reagents amongst the following is ideal for the above conversion.
  A)
  \[KMn{{O}_{4}}\](alkaline) done clear
  B)
  Osmium tetroxide \[\left( Os{{O}_{4}}/C{{H}_{2}}C{{l}_{2}} \right)\] done clear
  C)
  \[{{B}_{2}}{{H}_{6}}\]and alk.\[{{H}_{2}}{{O}_{2}}\] done clear
  D)
  \[{{O}_{3}}/Zn\] done clear
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• question_answer59)
  Among the following sets of reactants which one produces anisole?
  A)
  \[C{{H}_{3}}CHO\]; RMgX done clear
  B)
  \[{{C}_{6}}{{H}_{5}}OH\]; NaOH; \[C{{H}_{3}}I\] done clear
  C)
  \[{{C}_{6}}{{H}_{5}}OH\]; neutral \[FeC{{l}_{3}}\] done clear
  D)
  \[{{C}_{6}}{{H}_{5}}C{{H}_{3}}\], \[C{{H}_{3}}COCl\], \[AlC{{l}_{3}}\] done clear
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• question_answer60)
  Primary, secondary and tertiary alcohols can be distinguished by
  A)
  Borsche's test done clear
  B)
  Lucas test done clear
  C)
  Hinsberg's test done clear
  D)
  Tollens'test done clear
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