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Chemical reactions of amines

A compound with molecular mass 180 is acylated with {CH}_{3}

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A compound with molecular mass $180 μ$ is acylated with $CH_{3} COCl$ , to get a compound with molecular mass $390 μ$ . The number of amino groups present per molecule of the former compound is

Name: Video solution 1: A compound with molecular mass 180μ is acylated with CH3COCl, to get a compound with molecular mass 390μ. The number of amino groups present per molecule of the former compound is
Uploaded: 2022-12-05T16:42:34.000Z
Duration: 16 min
Description: Video solution 1: A compound with molecular mass 180μ is acylated with CH3COCl, to get a compound with molecular mass 390μ. The number of amino groups present per molecule of the former compound is

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Updated on: Dec 27, 2022

Book:

Arihant Chemistry JEE Main Chapterwise Solutions (2019-2002) (Arihant)

Exam:

JEE Mains 2013

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Noah Discussed

A compound with molecular mass

180 μ

is acylated with

CH_{3} COCl

, to get a compound with molecular mass

390 μ

. The number of amino groups present per molecule of the former compound is

12 mins ago

Discuss this question LIVE

12 mins ago

Text solutionVerified

During acetylation, one

H

atom with atomic mass 1 amu of

- NH_{2}

group is replaced by an acetyl group

CH_{3} CO [

molecular mass

= 434 μ

]. Thus,

- NH_{2} + CH_{3} COCl ⟶ - NHCOCH_{3} + HCl

The above equation suggests that, the acylation of each -

NH_{2}

group increases the mass by

42 μ

[43-1]. If the molecular mass of the organic compound is

180 μ

while that of the acylated product is

390 μ

, then the increase in the mass due to acylation is given by

390 - 180 = 210 μ

Hence, the number of - NH_{2} groups = \frac{210 μ}{42 μ} = 5

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Question Text	A compound with molecular mass $180 μ$ is acylated with $CH_{3} COCl$ , to get a compound with molecular mass $390 μ$ . The number of amino groups present per molecule of the former compound is
Updated On	Dec 27, 2022
Topic	Amines
Subject	Chemistry
Class	Class 12
Answer Type	Text solution:1 Video solution: 2
Upvotes	334
Avg. Video Duration	10 min

A compound with molecular mass $180 μ$ is acylated with $CH_{3} COCl$ , to get a compound with molecular mass $390 μ$ . The number of amino groups present per molecule of the former compound is

Text solutionVerified

Filo tutor solutions (2)

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A compound with molecular mass $180 μ$ is acylated with $CH_{3} COCl$ , to get a compound with molecular mass $390 μ$ . The number of amino groups present per molecule of the former compound is