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

done Mock Test - Alcohols, Phenols And Ethers Total Questions - 25

• question_answer1)
  Which of the following pairs of compounds can be used as starting material in the synthesis of 2-phenyl-2-pentanol?
  A)
  PhBr and  \[{{(C{{H}_{3}})}_{2}}C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}COC{{H}_{3}}\] done clear
  B)
  \[{{(C{{H}_{3}})}_{2}}CHC{{H}_{2}}Br\] and \[PhCOC{{H}_{3}}\] done clear
  C)
  \[C{{H}_{3}}-{{(C{{H}_{2}})}_{2}}-C{{H}_{2}}Br\]and \[{{C}_{6}}{{H}_{5}}COOH\] done clear
  D)
  PhBr and \[{{(C{{H}_{3}})}_{2}}CHC{{H}_{2}}COC{{H}_{3}}\] done clear
  View Solution play_arrow

• question_answer2)
  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?
  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)
  \[Os{{O}_{4}}/NaHS{{O}_{3}}\] done clear
  View Solution play_arrow

• question_answer3)
  What is the increasing order of solubility of the following in water?
  A)
  I<II<III<IV       done clear
  B)
  IV<III<II<I done clear
  C)
  I<III<II<IV       done clear
  D)
  IV<II<III<I done clear
  View Solution play_arrow

• question_answer4)
  In the reaction given below, \[cis\text{-}3\text{-}Hexene+C{{F}_{3}}C{{O}_{3}}H\to X\xrightarrow[{{H}_{2}}O]{{{H}_{2}}S{{O}_{4}}}Y\] The correct deduction concerning X and Y is
  A)
  Both X and Y are meso isomers done clear
  B)
  X is racemic mixture while Y is meso done clear
  C)
  X is meso isomer while Vis racemic mixture done clear
  D)
  Both X and Fare racemic mixture done clear
  View Solution play_arrow

• question_answer5)
  The most appropriate reagents that can bring about the following transformation is
  A)
  \[KMn{{O}_{4}}/NaOH(aq)\] done clear
  B)
  \[C{{F}_{3}}C{{O}_{3}}H\] then \[{{H}_{2}}S{{O}_{4}}({{H}_{2}}o)\] done clear
  C)
  \[B{{r}_{2}}-{{H}_{2}}O\]then \[NaOH\] done clear
  D)
  \[{{H}_{2}}S{{O}_{4}}\] done clear
  View Solution play_arrow

• question_answer6)
  In the above reaction the major product is shown which is formed through the intermediate (carbocation) given below: Which bond will migrate to form the above product?
  A)
  q                      done clear
  B)
  p done clear
  C)
  r                       done clear
  D)
  s done clear
  View Solution play_arrow

• question_answer7)
  Write the product of the following reaction
  A)
  done clear
  B)
  done clear
  C)
    done clear
  D)
  done clear
  View Solution play_arrow

• question_answer8)

  The correct order of acidic strength of the following alcohols is

  I. \[C{{H}_{3}}OH\]

  II. \[{{C}_{2}}{{H}_{5}}OH\]

  III. \[C{{H}_{3}}-CH(OH)-C{{H}_{3}}\]

  IV.

  A)
  I<II<III<IV       done clear
  B)
  III<II<IV<I done clear
  C)
  III<IV<I<III      done clear
  D)
  IV<III<II<I done clear
  View Solution play_arrow

• question_answer9)
  n-Propyl alcohol and isopropyl alcohol can be chemically distinguished by which reagent
  A)
  \[PC{{l}_{5}}\] done clear
  B)
  reduction done clear
  C)
  oxidation with potassium dichromate done clear
  D)
  ozonolysis done clear
  View Solution play_arrow

• question_answer10)

  Arrange the following alcohols in the increasing order o reactivity with HBr.

  (I) benzyl alcohol

  (II) p-methyl benzyl alcohol

  (III) p-nitrobenzyl alcohol

  (IV) p-chlorobenzyl alcohol

  A)
  I<II<III<IV       done clear
  B)
  III<IV<I<II done clear
  C)
  II<I<IV<III       done clear
  D)
  IV<II<II<I done clear
  View Solution play_arrow

• question_answer11)
  The product of the following reaction is:
  A)
  done clear
  B)
  done clear
  C)
  done clear
  D)
  done clear
  View Solution play_arrow

• question_answer12)
  In the following reaction swquence, Y is: \[PhOCOC{{H}_{3}}\xrightarrow[\Delta ]{AlC{{l}_{3}}}(X)\xrightarrow[NaOH]{{{I}_{2}}}(Y)\]
  A)
  PhCOONa         done clear
  B)
  PhCOOH done clear
  C)
  done clear
  D)
  done clear
  View Solution play_arrow

• question_answer13)
  
  A)
  done clear
  B)
  done clear
  C)
  done clear
  D)
  done clear
  View Solution play_arrow

• question_answer14)
  \[p{{K}_{a}}\]value is greater for
  A)
  done clear
  B)
  done clear
  C)
  done clear
  D)
  picric acid done clear
  View Solution play_arrow

• question_answer15)
    Phenols generally remain unaffected by the action of \[NaB{{H}_{4}}/{{H}_{3}}{{O}^{+}}\] like 1, 3 and 1, 4-benzenediols, however 1, 3, 5-benzenetriol (phloroglucinol) gives a high yield of X in the reaction. The compound X is
  A)
  done clear
  B)
  done clear
  C)
        done clear
  D)
  Both [a] and [b] done clear
  View Solution play_arrow

• question_answer16)
  Give the product (p) of the above reaction sequence:
  A)
  done clear
  B)
  done clear
  C)
  done clear
  D)
  done clear
  View Solution play_arrow

• question_answer17)
  \[A\xrightarrow[oneEq.ofC{{H}_{3}}l]{OH}{{C}_{9}}{{H}_{10}}{{O}_{3}}\xrightarrow{KMn{{O}_{4}}}{{C}_{9}}{{H}_{10}}{{O}_{4}}\] Starting substrate ?A? is
  A)
  done clear
  B)
  done clear
  C)
  done clear
  D)
  done clear
  View Solution play_arrow

• question_answer18)
  For the identification of \[\beta \]-naphthol using dye test, it is necessary to use
  A)
  dichloromethane solution of \[\beta \]-naphthol done clear
  B)
  acidic solution of \[\beta \]-naphthol done clear
  C)
  neutral solution of\[\beta \]-naphthol done clear
  D)
  alkaline solution of \[\beta \]-naphthol done clear
  View Solution play_arrow

• question_answer19)
  When phenol is reacted with \[CHC{{l}_{3}}\]and NaOH followed by acidification, salicylaldehyde is obtained. Which of the following species are involved in the above-mentioned reaction as intermediate?
  A)
  done clear
  B)
  done clear
  C)
  done clear
  D)
  done clear
  View Solution play_arrow

• question_answer20)
  The order of reactivity of the following alcohols towards cone. HCl is
  A)
  I>II>III>IV       done clear
  B)
  I>III>II>IV done clear
  C)
  IV>III>II>I       done clear
  D)
  IV>III>I>II done clear
  View Solution play_arrow

• question_answer21)
  An alcohol\[X({{C}_{7}}{{H}_{16}}O)\]gives immediate turbidity with HCl/\[ZnC{{l}_{2}}\] and can be resolved into enantiomers. Also X has tertiary hydrogen. How many \[C{{H}_{3}}\]- groups are present in X?
  View Solution play_arrow

• question_answer22)
  If a mixture of a 1-propanol and 2-butanol is heated with concentrated \[{{H}_{2}}S{{O}_{4}}\] at \[140{}^\circ c\], how many different ethers would be formed?
  View Solution play_arrow

• question_answer23)
  Find out the number of reagents that can be used for the following conversion,\[R-C{{H}_{2}}OH\xrightarrow{?}R-C{{H}_{2}}Cl\]from the following: \[HCl,ZnC{{l}_{2}},PC{{l}_{3}},PC{{l}_{5}},POC{{l}_{3}},SOC{{l}_{2}},NaCl,TsCl\]
  View Solution play_arrow

• question_answer24)
  The number of resonance structures for N is
  View Solution play_arrow

• question_answer25)
  The number of hydroxy1 group(s) in Q is
  View Solution play_arrow