Identify C in this series. CH3 CN Na / C2 H5 OH⟶ A HNO2⟶ B [O]⟶ C (a) CH3 CH2 NHOH (b) CH3 COOH

Name: Problem 69, Chapter 13: Objective Chemistry for NEET Vol II
Uploaded: 2022-02-17T01:26:37-08:00
Duration: 2 min 4 s
Channel: Dr. Satish Ingale
Description: Identify C in this series. CH3 CN Na / C2 H5 OH⟶ A HNO2⟶ B [O]⟶ C (a) CH3 CH2 NHOH (b) CH3 COOH (c) CH3 CH2 CONH2 (d) CH3 CHO

step 1 Hi everyone. So in this question, they asked that it is identified C in the series CS3, CN, NAC,

Identify C in this series. CH3 CN Na / C2 H5 OH⟶ A HNO2⟶ B...

Identify $\mathrm{C}$ in this series. $\mathrm{CH}_{3} \mathrm{CN} \stackrel{\mathrm{Na} / \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}}{\longrightarrow} \mathrm{A} \stackrel{\mathrm{HNO}_{2}}{\longrightarrow} \mathrm{B} \stackrel{[\mathrm{O}]}{\longrightarrow} \mathrm{C}$ (a) $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{NHOH}$ (b) $\mathrm{CH}_{3} \mathrm{COOH}$ (c) $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CONH}_{2}$ (d) $\mathrm{CH}_{3} \mathrm{CHO}$

Identify $\mathrm{C}$ in this series.
$\mathrm{CH}_{3} \mathrm{CN} \stackrel{\mathrm{Na} / \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}}{\longrightarrow} \mathrm{A} \stackrel{\mathrm{HNO}_{2}}{\longrightarrow} \mathrm{B} \stackrel{[\mathrm{O}]}{\longrightarrow} \mathrm{C}$
(a) $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{NHOH}$
(b) $\mathrm{CH}_{3} \mathrm{COOH}$
(c) $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CONH}_{2}$
(d) $\mathrm{CH}_{3} \mathrm{CHO}$

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Key Concepts

Diazotization of Aliphatic Amines

When primary aliphatic amines are treated with nitrous acid, they form unstable aliphatic diazonium salts that cannot be isolated. Instead, these intermediates readily lose nitrogen to form alcohols. This transformation is a classic method for converting an amino group into a hydroxyl group in organic synthesis.

Selective Oxidation of Alcohols

Under controlled conditions, a primary alcohol can be oxidized to an aldehyde without further oxidation to a carboxylic acid. This transformation is important because it allows for the introduction of a carbonyl group (in the form of an aldehyde) from an alcohol, which is a key step in many synthetic pathways.

Dissolving Metal Reduction

This concept involves the use of alkali metals (such as sodium) in an alcohol solvent to reduce a functional group. In organic chemistry, particularly with nitriles, such conditions can lead to the formation of a primary amine intermediate as electrons from the metal reduce the ?-system followed by protonation from the solvent.

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