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JEE Main 202226 JulyMorning Shift
Exam
JEE Main
Year
2022
Date
26 July
Shift
Morning Shift
Subject
Chemistry
Chapter
Aldehydes and Ketones

JEE Main 2022 · 26 July · Morning Shift · Chemistry · Aldehydes and Ketones

The products formed in the following reaction, A and B are

The products formed in the following reaction, AA and BB are

The products formed in the following reaction, A and B are

Options

  1. ATo an evacuated vessel with movable piston under external pressure of 1 atm, 0.1 mole of He and 1.0 mole of an unknown
  2. BTo an evacuated vessel with movable piston under external pressure of 1 atm, 0.1 mole of He and 1.0 mole of an unknown
  3. CTo an evacuated vessel with movable piston under external pressure of 1 atm, 0.1 mole of He and 1.0 mole of an unknown
  4. DTo an evacuated vessel with movable piston under external pressure of 1 atm, 0.1 mole of He and 1.0 mole of an unknown

Correct answer

C. To an evacuated vessel with movable piston under external pressure of 1 atm, 0.1 mole of He and 1.0 mole of an unknown

Step-by-step solution

The products formed in the following reaction, A and B are

Ag(NH3)2+OH−Ag ( {NH}_{3}{)}_{2}^{+}{OH}^{-} is called Tollens' reagent and it is a mild oxidizing reagent that oxidizes aldehyde groups to their respective acid and it gets reduced. It does not affect ketone group. While NaBH4{NaBH}_{4} is a reducing agent which can reduce aldehyde or ketone group in alcohols but it does not reduce carboxylic acid.

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