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JEE Main 202126 FebruaryMorning Shift
Exam
JEE Main
Year
2021
Date
26 February
Shift
Morning Shift
Subject
Chemistry
Chapter
Aldehydes and Ketones

JEE Main 2021 · 26 February · Morning Shift · Chemistry · Aldehydes and Ketones

A _ ( C _ 4 H _ 8 Cl _ 2 ) → _ 373K ^ Hydrolysis B _ ( C _ 4 H _ 8...

A(C4H8Cl2)→373KHydrolysisB(C4H8O)\mathop{A}_{\left({C}_{4}{H}_{8}{Cl}_{2}\right)}\mathop{\to}_{373K}^{Hydrolysis}\mathop{B}_{\left({C}_{4}{H}_{8}O\right)}

BB reacts with Hydroxyl amine but does not give Tollen's test. Identify AA and BB.

A _ ( C _ 4 H _ 8 Cl _ 2 ) → _ 373K ^ Hydrolysis B _ ( C _ 4 H _ 8 O) B reacts with Hydroxyl amine but does not giveA _ ( C _ 4 H _ 8 Cl _ 2 ) → _ 373K ^ Hydrolysis B _ ( C _ 4 H _ 8 O) B reacts with Hydroxyl amine but does not give

Options

  1. A2,22, 2-Dichlorobutane and Butanal
  2. B2,22, 2-Dichlorobutane and Butan-22-one
  3. C1,11, 1-Dichlorobutane and 22-Butanone
  4. D1,11, 1-Dichlorobutane and Butanal

Correct answer

B. 2,22, 2-Dichlorobutane and Butan-22-one

Step-by-step solution

A _ ( C _ 4 H _ 8 Cl _ 2 ) → _ 373K ^ Hydrolysis B _ ( C _ 4 H _ 8 O) B reacts with Hydroxyl amine but does not give

Aldehydes and ketones react with hydroxyl amine to form oximes but ketones do not react with Tollens reagent.

A _ ( C _ 4 H _ 8 Cl _ 2 ) → _ 373K ^ Hydrolysis B _ ( C _ 4 H _ 8 O) B reacts with Hydroxyl amine but does not give

Compound B ' ' does not gives Tollen's test due to presence of kenotic group but react with hydroxyl amine

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