NEET Alcohols, Phenols and Ethers PYQ practice sheet

8 previous-year NEET Chemistry questions from Alcohols, Phenols and Ethers, newest papers first. Alcohols, Phenols and Ethers carries 11 of the Chemistry questions in NEET 2020 to 2026, so this is a good place to test yourself after revising the chapter. Marking: +4 correct, −1 wrong.

1. 1.

   NEET 2026

   Match List I with List II: List I (conversions): List II (reagents): (I) (i) Oleum; (ii) NaOH, $\Delta$; (iii) $\mathrm{H^+}$. (II) (i) $\mathrm{O_2}$; (ii) $\mathrm{H_2O/H^+}$. (III) (i) $\mathrm{CH_3OH,\ H^+}$; (ii) $\mathrm{H_2}$, catalyst. (IV) (i) conc. $\mathrm{H_2SO_4}$, $\Delta$; (ii) $\mathrm{H^+/H_2O}$. Choose the correct answer from the options given below:

   • (A)
     A-II, B-IV, C-III, D-I
   • (B)
     A-II, B-III, C-IV, D-I
   • (C)
     A-II, B-III, C-I, D-IV
   • (D)
     A-I, B-III, C-IV, D-II
2. 2.

   NEET 2026

   The functional group that can be identified through phthalein dye test is:

   • (A)
     Alcohol
   • (B)
     Carboxylic acid
   • (C)
     Aldehyde
   • (D)
     Phenolic
3. 3.

   NEET 2024

   Which one of the following alcohols reacts instantaneously with Lucas reagent?

   • (A)
     $\mathrm{CH_3-C(CH_3)_2-OH}$
   • (B)
     $\mathrm{CH_3-CH_2-CH_2-CH_2OH}$
   • (C)
     $\mathrm{CH_3-CH(CH_3)-CH_2OH}$
   • (D)
     $\mathrm{CH_3-CH_2-CH(CH_3)-OH}$
4. 4.

   NEET 2023

   Consider the following reaction and identify the product (P). 3-Methylbutan-2-ol, $\mathrm{CH_3{-}CH(CH_3){-}CH(OH){-}CH_3}$, reacts with $\mathrm{HBr}$ to give Product (P).

   • (A)
     $\mathrm{(CH_3)_3C{-}CH_2Br}$
   • (B)
     $\mathrm{CH_3{-}C(Br)(CH_3){-}CH_2{-}CH_3}$ (2-bromo-2-methylbutane)
   • (C)
     $\mathrm{CH_3CH{=}CH{-}CH_3}$
   • (D)
     $\mathrm{CH_3{-}CH(CH_3){-}CH(Br){-}CH_3}$ (2-bromo-3-methylbutane)
5. 5.

   NEET 2023

   Consider the following reaction : Benzyl phenyl ether, $\mathrm{C_6H_5{-}CH_2{-}O{-}C_6H_5}$ $\xrightarrow[\Delta]{\mathrm{HI}} \mathrm{A + B}$ Identify products A and B.

   • (A)
     $\mathrm{A = C_6H_5CH_3}$ and $\mathrm{B = C_6H_5I}$
   • (B)
     $\mathrm{A = C_6H_5CH_3}$ and $\mathrm{B = C_6H_5OH}$
   • (C)
     $\mathrm{A = C_6H_5CH_2OH}$ and $\mathrm{B = C_6H_5I}$
   • (D)
     $\mathrm{A = C_6H_5CH_2I}$ and $\mathrm{B = C_6H_5OH}$
6. 6.

   NEET 2023

   Which amongst the following will be most readily dehydrated under acidic conditions ? (Skeletal formulas, described from the figure) (1) $\mathrm{CH_3{-}CH(NO_2){-}CH_2{-}CH_2{-}CH(OH){-}CH_3}$ (5-nitrohexan-2-ol) (2) $\mathrm{CH_3{-}CH(NO_2){-}CH_2{-}CH(OH){-}CH_3}$ (4-nitropentan-2-ol) (3) $\mathrm{CH_3{-}CH(OH){-}CH_2{-}CH(OH){-}CH_3}$ (pentane-2,4-diol) (4) $\mathrm{CH_3{-}CH(NO_2){-}CH(OH){-}CH_2{-}OH}$ (3-nitrobutane-1,2-diol)

   • (A)
     Option (1)
   • (B)
     Option (2)
   • (C)
     Option (3)
   • (D)
     Option (4)
7. 7.

   NEET 2022

   Given below are two statements: Statement I: The acidic strength of monosubstituted nitrophenol is higher than phenol because of the electron withdrawing nitro group. Statement II: o-nitrophenol, m-nitrophenol and p-nitrophenol will have the same acidic strength as they have one nitro group attached to the phenolic ring. In the light of the above statements, choose the most appropriate answer from the options given below:

   • (A)
     Statement I is incorrect but Statement II is correct.
   • (B)
     Both Statement I and Statement II are correct.
   • (C)
     Both Statement I and Statement II are incorrect.
   • (D)
     Statement I is correct but Statement II is incorrect.
8. 8.

   NEET 2022

   Given below are two statements: Statement I: In Lucas test, primary, secondary and tertiary alcohols are distinguished on the basis of their reactivity with conc. $\mathrm{HCl+ZnCl_2}$, known as Lucas Reagent. Statement II: Primary alcohols are most reactive and immediately produce turbidity at room temperature on reaction with Lucas Reagent. In the light of the above statements, choose the most appropriate answer from the options given below:

   • (A)
     Statement I is incorrect but Statement II is correct.
   • (B)
     Both Statement I and Statement II are correct.
   • (C)
     Both Statement I and Statement II are incorrect.
   • (D)
     Statement I is correct but Statement II is incorrect.