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JEE Main202116 Mar 2021Evening ShiftChemistryHydrocarbonsActual

An unsaturated hydrocarbon X on ozonolysis gives A . Compound A when warmed with ammoniacal silver nitrate forms a bright silver mirror along the sides of the test tube. The unsaturated hydrocarbon X is :

Options

  1. AHC ≡ C - CH 2 - CH 3
  2. BCH 3 - C ≡ C - CH 3

Correct answer

2

Step-by-step solution

As ( A ) compound given positive Tollen's test hence it may consist - CHO (aldehyde group) or it can be HCOOH So for the given option : (3) CH 3 - CH 2 - C ≡ CH ⟶ Ozonolysis CH 3 CH 2 COOH + HCOOH ( A ) + ve   tollen ' s   test and for other compounds (options): (3) CH 3 - C ≡ C - CH 3 ⟶ Ozonolysis 2 CH 3 - COOH ( Does   not   show   tollen ' s   test )

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