Solved papers for NEET Chemistry NEET PYQ-Alcohols Phenols and Ethers

done NEET PYQ-Alcohols Phenols and Ethers Total Questions - 26

• question_answer1) Which one of the following compounds is resistant to nucleophilic attack by hydroxyl ions? [AIPMT 1998]
  A)
  Methyl acetate
  done clear
  B)
  Acetonitrile
  done clear
  C)
  Dimethyl ether
  done clear
  D)
  Acetamide
  done clear
  View Answer play_arrow

• question_answer2) Reaction of  with RMgX leads to formation of:                           [AIPMT 1998]
  A)
  \[RCHOHR\]
  done clear
  B)
  \[RCHOHC{{H}_{3}}\]
  done clear
  C)
  \[RC{{H}_{2}}C{{H}_{2}}OH\]
  done clear
  D)
  
  done clear
  View Answer play_arrow

• question_answer3) The ionization constant of phenol is higher than that of ethanol because:                   [AIPMT 2000]
  A)
  phenoxide ion is bulkier than ethoxide       
  done clear
  B)
  phenoxide ion is stronger base than ethoxide
  done clear
  C)
  phenoxide   ion   is   stabilized   through derealization
  done clear
  D)
  phenoxide ion is less stable than ethoxide
  done clear
  View Answer play_arrow

• question_answer4) 

  The correct acidic order of following is:       [AIPMT 2001]

  A)
  I > II > III
  done clear
  B)
  III > I > II
  done clear
  C)
  II > III > I
  done clear
  D)
  I > III > II
  done clear
  View Answer play_arrow

• question_answer5) In preparation of alkene from alcohol using \[A{{I}_{2}}{{O}_{3}}\] which is effective factor?  [AIPMT 2001]
  A)
  Porosity of  \[A{{l}_{2}}{{O}_{3}}\]
  done clear
  B)
  Temperature
  done clear
  C)
  Concentration
  done clear
  D)
  Surface area of \[A{{l}_{2}}{{O}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer6) n-propyl alcohol and isopropyl alcohol can be chemically distinguished by which reagent: [AIPMT 2002]
  A)
  \[PC{{l}_{5}}\]
  done clear
  B)
  reduction
  done clear
  C)
  oxidation with potassium dichromate
  done clear
  D)
  ozonolysis
  done clear
  View Answer play_arrow

• question_answer7) When phenol is treated with \[CHC{{l}_{3}}\] and \[NaOH\] the product formed is:              [AIPMT 2002]
  A)
  benzaldehyde
  done clear
  B)
  salicylaldehyde
  done clear
  C)
  salicylic acid
  done clear
  D)
  benzoic acid
  done clear
  View Answer play_arrow

• question_answer8) The major organic product in the reaction, CH3 — O — CH(CH3)2 + HI \[\to \] Product is : [AIPMT (S) 2006]
  A)
  \[C{{H}_{3}}OH+{{(C{{H}_{3}})}_{2}}CHI\]            
  done clear
  B)
  \[IC{{H}_{2}}OCH{{(C{{H}_{3}})}_{2}}\]
  done clear
  C)
  \[C{{H}_{3}}O\,\,\underset{\begin{smallmatrix}  | \\  I \end{smallmatrix}}{\mathop{C}}\,{{(C{{H}_{3}})}_{2}}\]                                
  done clear
  D)
  \[C{{H}_{3}}I+{{(C{{H}_{3}})}_{2}}CHOH\] 
  done clear
  View Answer play_arrow

• question_answer9) 

  The reaction:     [AIPMT (S) 2007]

  \[C{{H}_{3}}-\overset{\begin{smallmatrix}  C{{H}_{3}} \\  | \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{2}}-O-C{{H}_{2}}-C{{H}_{3}}+HI\xrightarrow{Heated}....\]

  Which of the following compounds will be formed?

  A)
  \[C{{H}_{3}}-\overset{\begin{smallmatrix}  C{{H}_{3}} \\  | \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{2}}-I+C{{H}_{3}}C{{H}_{2}}OH\]                     
  done clear
  B)
  \[C{{H}_{3}}-\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{3}}+C{{H}_{3}}C{{H}_{2}}OH\]
  done clear
  C)
  \[C{{H}_{3}}-\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{2}}OH+C{{H}_{3}}C{{H}_{3}}\]           
  done clear
  D)
  \[C{{H}_{3}}-\overset{\begin{smallmatrix}  C{{H}_{3}} \\  | \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{2}}OH+C{{H}_{3}}-C{{H}_{2}}-I\]
  done clear
  View Answer play_arrow

• question_answer10) \[PO_{4}^{3-},\]on heating with periodic acid gives                                       [AIPMT (S) 2009]
  A)
  \[SO_{4}^{2-}\]
  done clear
  B)
  2HCOOH         
  done clear
  C)
  \[C{{r}_{2}}O_{7}^{2-}\]
  done clear
  D)
  None of these
  done clear
  View Answer play_arrow

• question_answer11) 

  Consider the following reaction                  [AIPMT (S) 2009]

  \[\underset{\begin{smallmatrix}  \text{ }\!\!|\!\!\text{ } \\  \text{CHO} \end{smallmatrix}}{\mathop{\text{CHO}}}\,\]\[1.5\times {{10}^{-s}}\]the product Z is

  A)
  \[4.5\times {{10}^{-10}},\]       
  done clear
  B)
  \[C{{N}^{-}}+C{{H}_{3}}COOH\]
  done clear
  C)
  \[HCN+C{{H}_{3}}CO{{O}^{-}}\]
  done clear
  D)
  \[3.0\times {{10}^{5}}\]
  done clear
  View Answer play_arrow

• question_answer12) Given are cyclohexanol (I), acetic acid (II), 2, 4, 6-trinitrophenol (III) and phenol (IV). In these, the order of decreasing acidic character will be [AIPMT (S) 2010]
  A)
  III > II > IV > I
  done clear
  B)
  II > III > I >IV
  done clear
  C)
  II > III > IV > I
  done clear
  D)
  III > IV > II > I
  done clear
  View Answer play_arrow

• question_answer13) When glycerol is treated with excess of HI, it produces                         [AIPMT (M) 2010]
  A)
  2-iodopro'pane
  done clear
  B)
  allyl iodide
  done clear
  C)
  propene
  done clear
  D)
  glycerol triiodide
  done clear
  View Answer play_arrow

• question_answer14) Which one of the following compounds will be most readily dehydrated?    [AIPMT (M) 2010]
  A)
  
  done clear
  B)
   
  done clear
  C)
  
  done clear
  D)
   
  done clear
  View Answer play_arrow

• question_answer15) 

  In the following reactions,     [AIPMT (S) 2011]

  (I) \[\text{C}{{\text{H}}_{\text{3}}}-\overset{\begin{smallmatrix}  \text{C}{{\text{H}}_{3}} &  \\  \text{ }\!\!|\!\!\text{ } \end{smallmatrix}}{\mathop{\text{CH}}}\,-\underset{\begin{smallmatrix}  \text{ }\!\!|\!\!\text{ } \\  \text{OH} \end{smallmatrix}}{\mathop{\text{CH}}}\,-\text{C}{{\text{H}}_{\text{3}}}\xrightarrow[{}]{{{\text{H}}^{\text{+}}}\text{/Heat}}\] \[{{\left( \overset{\text{A}}{\mathop{\begin{align}   & \text{major} \\  & \text{product} \\ \end{align}}}\, \right)}^{\text{+}}}\left( \overset{\text{B}}{\mathop{\begin{align}   & \text{major} \\  & \text{product} \\ \end{align}}}\, \right)\]

  (ii)\[\text{A}\xrightarrow[\text{in}\,\text{absence}\,\text{of}\,\text{peroxide}]{\text{HBr,dark}}\]\[{{\left( \overset{\text{C}}{\mathop{\begin{align}   & \text{major} \\  & \text{product} \\ \end{align}}}\, \right)}^{\text{+}}}\left( \overset{\text{D}}{\mathop{\begin{align}   & \text{major} \\  & \text{product} \\ \end{align}}}\, \right)\]

  the major products and are respectively

  A)
  \[\text{C}{{\text{H}}_{\text{3}}}-\overset{\begin{smallmatrix}  \text{C}{{\text{H}}_{\text{3}}} \\  \text{ }\!\!|\!\!\text{ } \end{smallmatrix}}{\mathop{\text{C}}}\,\text{=}\,\text{CH}-\text{C}{{\text{H}}_{\text{3}}}\]and \[\text{C}{{\text{H}}_{\text{3}}}-\underset{\begin{smallmatrix}  \text{ }\!\!|\!\!\text{ } \\  \text{Br} \end{smallmatrix}}{\overset{\begin{smallmatrix}  \text{C}{{\text{H}}_{\text{3}}} \\  \text{ }\!\!|\!\!\text{ } \end{smallmatrix}}{\mathop{\text{C}}}}\,-\text{CH}{{ & }_{\text{2}}}-\text{C}{{\text{H}}_{\text{3}}}\]
  done clear
  B)
  \[\text{C}{{\text{H}}_{\text{3}}}-\overset{\begin{smallmatrix}  \text{C}{{\text{H}}_{\text{3}}} \\  \text{ }\!\!|\!\!\text{ } \end{smallmatrix}}{\mathop{\text{C}}}\,\text{=}\,\text{CH}-\text{C}{{\text{H}}_{\text{3}}}\]and \[\text{C}{{\text{H}}_{\text{3}}}-\overset{\begin{smallmatrix}  \text{C}{{\text{H}}_{\text{3}}} \\  \text{ }\!\!|\!\!\text{ } \end{smallmatrix}}{\mathop{\text{C}}}\,-\underset{\begin{smallmatrix}  | \\  \text{Br} \end{smallmatrix}}{\mathop{\text{CH}}}\,-\text{C}{{\text{H}}_{\text{3}}}\]
  done clear
  C)
  \[\text{C}{{\text{H}}_{2}}=\,\,\,\overset{\begin{smallmatrix}  \text{C}{{\text{H}}_{\text{3}}} \\  \text{ }\!\!|\!\!\text{ } \end{smallmatrix}}{\mathop{\text{C}}}\,-\text{C}{{\text{H}}_{2}}-\text{C}{{\text{H}}_{\text{3}}}\]and \[\text{C}{{\text{H}}_{\text{3}}}-\underset{\begin{smallmatrix}  \text{ }\!\!|\!\!\text{ } \\  \text{Br} \end{smallmatrix}}{\overset{\begin{smallmatrix}  \text{C}{{\text{H}}_{\text{3}}} \\  \text{ }\!\!|\!\!\text{ } \end{smallmatrix}}{\mathop{\text{C}}}}\,-\text{C}{{\text{H}}_{\text{2}}}-\text{C}{{\text{H}}_{\text{3}}}\]
  done clear
  D)
  \[\text{C}{{\text{H}}_{\text{2}}}\text{=}\overset{\begin{smallmatrix}  \text{C}{{\text{H}}_{\text{3}}} \\  \text{ }\!\!|\!\!\text{ } \end{smallmatrix}}{\mathop{\text{C}}}\,-\text{C}{{\text{H}}_{\text{2}}}-\text{C}{{\text{H}}_{\text{3}}}\]and \[\underset{\begin{smallmatrix}  | \\  \text{Br} \end{smallmatrix}}{\mathop{\text{C}{{\text{H}}_{\text{2}}}}}\,-\overset{\begin{smallmatrix}  \text{C}{{\text{H}}_{\text{3}}} \\  \text{ }\!\!|\!\!\text{ } \end{smallmatrix}}{\mathop{\,\text{CH}\,}}\,-\text{C}{{\text{H}}_{\text{2}}}-\text{C}{{\text{H}}_{\text{3}}}\]
  done clear
  View Answer play_arrow

• question_answer16) Which of the following compounds can be     used as antifreeze in automobile radiators? [AIPMT (M) 2012]
  A)
  Methyl alcohol
  done clear
  B)
  Glycol
  done clear
  C)
  Nitrophenol
  done clear
  D)
  Ethyl alcohol 
  done clear
  View Answer play_arrow

• question_answer17) Among the following sets of reactants which one produces anisole?               [AIPMT 2014]
  A)
  \[C{{H}_{3}}CHO;RMgX\]
  done clear
  B)
  \[{{C}_{6}}{{H}_{5}}OH;NaOH;C{{H}_{3}}l\]
  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
  View Answer play_arrow

• question_answer18) Which of the following will not be soluble in sodium hydrogen carbonate?     [AIPMT 2014]
  A)
  2, 4, 6-trinitrophenol       
  done clear
  B)
  Benzoic acid
  done clear
  C)
  o-nitrophenol     
  done clear
  D)
  Benzenesulphonic acid
  done clear
  View Answer play_arrow

• question_answer19) 

  Which of the following reaction(s) can be used for the preparation of alkyl halides? [NEET 2015 (Re)]

  I. \[C{{H}_{3}}C{{H}_{2}}OH+HCl\xrightarrow{anh.ZnC{{l}_{2}}}\]

  II. \[C{{H}_{3}}C{{H}_{2}}OH+HCl\xrightarrow{\,}\]

  III. \[{{(C{{H}_{3}})}_{3}}COH+HCl\xrightarrow{\,}\]

  IV.  \[{{(C{{H}_{3}})}_{2}}CHOH+HCl\xrightarrow{\text{anh}\text{.}\,\text{ZnC}{{\text{l}}_{\text{2}}}}\]

  A)
  I, III and IV
  done clear
  B)
  I and II
  done clear
  C)
  Only IV
  done clear
  D)
  III and IV
  done clear
  View Answer play_arrow

• question_answer20) Which copper is heated with conc. \[\text{HN}{{\text{O}}_{\text{3}}}\]it produces                        [NEET - 2016]
  A)
  \[\text{Cu}{{\left( \text{N}{{\text{O}}_{\text{3}}} \right)}_{\text{2}}}\]and \[\text{N}{{\text{O}}_{\text{2}}}\]
  done clear
  B)
  \[\text{Cu}{{\left( \text{N}{{\text{O}}_{\text{3}}} \right)}_{\text{2}}}\] and NO
  done clear
  C)
  \[\text{Cu}{{\left( \text{N}{{\text{O}}_{\text{3}}} \right)}_{\text{2}}},\]NO and \[\text{N}{{\text{O}}_{\text{2}}}\]
  done clear
  D)
  \[\text{Cu}{{\left( \text{N}{{\text{O}}_{\text{3}}} \right)}_{\text{2}}}\]and \[\text{N}{{\text{O}}_{\text{2}}}\]
  done clear
  View Answer play_arrow

• question_answer21) 

  The reaction

  Can be classified as:-                [NEET - 2016]

  A)
  Williamson ether synthesis reaction
  done clear
  B)
  Alcohol formation reaction
  done clear
  C)
  Dehydration reaction
  done clear
  D)
  Williamson alcohol synthesis reaction
  done clear
  View Answer play_arrow

• question_answer22) The heating of phenyl-methyl ethers with HI produces.                                 [NEET-2017]
  A)
  Benzene
  done clear
  B)
  Ethyl chlorides
  done clear
  C)
  Iodobenzene
  done clear
  D)
  Phenol
  done clear
  View Answer play_arrow

• question_answer23) Which one is the most acidic compound? [NEET-2017]
  A)
   
  done clear
  B)
  
  done clear
  C)
  
  done clear
  D)
  
  done clear
  View Answer play_arrow

• question_answer24) 

  Identify the major products P, Q and R in the following sequence of reactions: [NEET - 2018]

  A)
              P                      Q                     R
  done clear
  B)
  
  done clear
  C)
  
  done clear
  D)
  
  done clear
  View Answer play_arrow

• question_answer25) The compound A on treatment with Na gives B, and with \[\text{PC}{{\text{l}}_{\text{5}}}\] gives C. B and C react together to give diethyl ether. A, B and C are in the order                              [NEET - 2018]
  A)
  \[{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}\text{Cl, }{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{6}}}\text{,}{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}\text{OH}\]
  done clear
  B)
  \[{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}\text{OH, }{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}\text{Cl,}{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}\text{ONa}\]
  done clear
  C)
  \[{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}\text{OH,}{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{6}}}\text{,}{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}\text{Cl}\]
  done clear
  D)
  \[{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}\text{OH, }{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}\text{ONa, }{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}\text{Cl}\]
  done clear
  View Answer play_arrow

• question_answer26) Anisole on cleavage with HI gives [NEET 2020]
  A)
  
  done clear
  B)
  
  done clear
  C)
  
  done clear
  D)
  
  done clear
  View Answer play_arrow