JEE Mains Chemistry Past PapershardMCQ SINGLE

Match List I with List II LIST-I (Test) LIST-II (Observation) A. Br2 water test I. Yellow orange or JEE Mains Chemistry Past Papers Chemistry Question

Question

Match List I with List II LIST-I (Test) LIST-II (Observation) A. Br2 water test I. Yellow orange or orange red precipitate formed B. Ceric ammonium nitrate test II. Reddish orange colour disappears C. Ferric chloride test III. Red colour appears D. 2, 4-DNP test IV. Blue, Green, Violet or Red colour appear Choose the correct answer from the options given below: (A) A-I, B-II, C-III, D-IV (B) A-II, B-III, C-IV, D-I (C) A-III, B-IV, C-I, D-II (D) A-IV, B-I, C-II, D-III

Answer: B

💡 Solution & Explanation

(A) Br2 water test is test of unsaturation in which reddish orange colour of bromine water disappears. (B) Alcohols given Red colour with ceric ammonium nitrate. (C) Phenol gives Violet colour with natural ferric chloride. (D) Aldehyde & Ketone give Yellow/Orange/Red Colour compounds with 2, 4-DNP i.e., 2, 4-Dinitrophenyl hydrazine.

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