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← JEE Main 2026 · 2 Apr · Shift 1
ChemistryList match+4 / -1Question 67 of 75

JEE Main 2026 · 2 Apr · Shift 1, Chemistry question 67

Match List - I with List - II.

Choose the correct answer from the options given below :

List - I: Mixture of Compounds

  • A
    Diethyl amine + Ethyl amine
  • B
    Acetaldehyde + Acetone
  • C
    Ethanol + Phenol
  • D
    Benzoic acid + Cinnamic acid

List - II: Reagent used to distinguish

  • I
    Bromine water
  • II
    CHClX3\ce{CHCl3} + KOH, Δ
  • III
    Neutral FeClX3\ce{FeCl3}
  • IV
    Ammonical silver nitrate
Choose one option
Answer and worked solution

Official answer: D

  • A (2° vs 1° amine): carbylamine test, CHClX3\ce{CHCl3}/KOH, Δ, gives an isocyanide only with ethylamine. → II
  • B (aldehyde vs ketone): Tollens' reagent (ammoniacal AgNOX3\ce{AgNO3}) gives a silver mirror only with acetaldehyde. → IV
  • C (alcohol vs phenol): neutral FeClX3\ce{FeCl3} gives a violet colour with phenol. → III
  • D (benzoic vs cinnamic acid): bromine water is decolourised by the C=C of cinnamic acid. → I

Match: A-II, B-IV, C-III, D-I.

(D)