Alcohols, Phenols & Ethers · JEE Main previous year questions

2026 5 questions

1. Q602026 · 28 Jan 2026 · Shift 2

   The reactions which produce alcohol as the product are : $\text{A. }{\text{CH}}_4+{\text{O}}_2\stackrel{{\text{Mo}}_2{\text{O}}_3,\Delta }{\to }$ $\text{B. }2{\text{CH}}_3{\text{CH}}_3+3{\text{O}}_2\stackrel{({\text{CH}}_3\text{COO}{)}_2\text{Mn},\Delta }{\to }$ $\text{C. }({\text{CH}}_3{)}_3\text{CH}\stackrel{{\text{KMnO}}_4}{\to }$ $\text{D. }2{\text{CH}}_4+{\text{O}}_2\stackrel{\text{Cu}/523\text{K}/100\text{atm.}}{\to }$ $\text{E. }{\text{CH}}_3-\text{CH}=\text{CH}-{\text{CH}}_3\stackrel{{\text{KMnO}}_4/{\text{H}}^{+}}{\to }$ Choose the correct answer from the options given below :

   1. A.B, D and E Only
   2. B.A and D Only
   3. C.A, C and E Only
   4. D.C and D Only
   Show answer

   Answer: D

2. Q652026 · 28 Jan 2026 · Shift 2

   The correct order of acidic strength of the major products formed in the given reactions, is : $\text{A. }{\text{PhNH}}_2\underset{\begin{array}{c}(2)\text{CuCN}\\ (3){\text{H}}_3{\text{O}}^{+}/\Delta \end{array}}{\overset{(1){\text{NaNO}}_2+\text{HCl}(<5^{\circ }\text{C})}{\to }}[\text{A}]$ $\text{B. }{\text{CH}}_3{\text{CH}}_2\text{CHO}\underset{\Delta }{\overset{[\text{Ag}({\text{NH}}_3{)}_2{]}^{+},{\text{OH}}^{-}}{\to }}[\text{B}]$ $\text{C. }{\text{CH}}_4+{\text{O}}_2\underset{\text{(ii) }{\text{Na}}_2{\text{Cr}}_2{\text{O}}_7/{\text{H}}^{+}}{\overset{\text{(i) }{\text{Mo}}_2{\text{O}}_3}{\to }}[\text{C}]$ $\text{D. }{\text{PhCH}}_2\text{MgBr}+{\text{CO}}_2\underset{{\text{H}}_3{\text{O}}^{+}}{\overset{\text{Dry ether}}{\to }}[\text{D}]$ Choose the correct answer from the options given below :

   1. A.C > A > D > B
   2. B.A > D > C > B
   3. C.A > D > B > C
   4. D.C > B > A > D
   Show answer

   Answer: A

3. Q542026 · 23 Jan 2026 · Shift 1

   Match List - I with List - II. | List - I (Functional group (detection)) | List - II (Change observed during detection) | | :--- | :--- | | A. Unsaturation (Baeyer's test) | I. Red colour appears | | B. Alcoholic group (Ceric ammonium nitrate test) | II. Silver mirror appears | | C. Aldehyde group (Tollen's reagent) | III. Violet colour appears | | D. Phenolic group (${\mathrm{FeCl}}_3$ test) | IV. Discharge of pink colour | Choose the correct answer from the options given below :

   1. A.A-IV, B-I, C-II, D-III
   2. B.A-III, B-IV, C-I, D-II
   3. C.A-III, B-IV, C-II, D-I
   4. D.A-IV, B-III, C-II, D-I
   Show answer

   Answer: A

4. Q592026 · 23 Jan 2026 · Shift 2

   Iodoform test can differentiate between A. Methanol and Ethanol B. ${\text{CH}}_3\text{COOH}$ and ${\text{CH}}_3{\text{CH}}_2\text{COOH}$ C. Cyclohexene and cyclohexanone D. Diethyl ether and Pentan-3-one E. Anisole and acetone Choose the correct answer from the options given below :

   1. A.A, B & E Only
   2. B.A & D Only
   3. C.A & E Only
   4. D.B, C & E Only
   Show answer

   Answer: C

5. Q622026 · 23 Jan 2026 · Shift 2
   
   1. A.
   2. B.
   3. C.
   4. D.
   Show answer

   Answer: B