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JEE • NEET • FOUNDATION

JEE · NEET Previous Year Question

Match the LIST-I with LIST-II (al ph e)
(Reagent)
(Functional Group detected)
LIST-ILIST-II
A. Sodium bicarbonate solutionI. Double bond /unsaturation
B. Neutral ferric chlorideII.
carboxylic acid
C.
ceric ammonium nitrate
III.
phenolic - OH
D.
alkaline
IV.
alcoholic - OH
Choose the correct answer from the options given below:

Topic: JEE PYQ

Answer: D. Full step-by-step solution below.

  1. AA-II, B-III, C-I, D-IV
  2. BA-II, B-IV, C-III, D-I
  3. CA-III, B-II, C-IV, D-I
  4. DA-II, B-III, C-IV, D-I

Correct answer: D

Solution

(d)
(A) Carboxylic acid gives efferve scence with sodium bicarbonate solution
(B) Phenolic-OH gives voilet coloured complex with Neutral .
(C) Alcoholic-OH gives Red colour with cerric ammonium Nitrate.
(D) When alkaline reacts with an unsaturated compound (Alkene or alkyne) the purple colour of solution disappears, indicating positive test for unsaturation.

More Alcohols, Phenols & Ethers PYQs