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Chemical Reactions of Aromatic Hydrocarbons

Compound (A), {C}_{8} {H}_{9} {Br} gives a white precipitate w

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Compound $(A), C_{8} H_{9} Br$ gives a white precipitate when warmed with alcoholic $AgNO_{3} .$ Oxidation of $(A)$ gives an acid $(B)$ , $C_{8} H_{6} O_{4} \cdot (B)$ easily forms anyhydride on heating. Identify the compound $(A)$ .

Views: 5,693 students

Updated on: Jul 17, 2023

Book:

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

Exam:

JEE Mains 2013

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Compound

(A), C_{8} H_{9} Br

gives a white precipitate when warmed with alcoholic

AgNO_{3} .

Oxidation of

(A)

gives an acid

(B)

C_{8} H_{6} O_{4} \cdot (B)

easily forms anyhydride on heating. Identify the compound

(A)

5 mins ago

Discuss this question LIVE

5 mins ago

Text solutionVerified

Compound

A

gives a precipitate with alcoholic

AgNO_{3}

(here white is misprinting because the colour of ppt is light yellow), so it must contains

Br

in side chain. On oxidation, it gives

C_{8} H_{6} O_{4}

, which shows the presence of two alkyl chains attached directly with the benzene nucleus. Since compound

B

gives anhydride on heating, the two alkyl substituent must occupy adjacent (1, 2) position. Thus, A must be Solution Image

and the reactions are as follows Solution Image

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Question Text	Compound $(A), C_{8} H_{9} Br$ gives a white precipitate when warmed with alcoholic $AgNO_{3} .$ Oxidation of $(A)$ gives an acid $(B)$ , $C_{8} H_{6} O_{4} \cdot (B)$ easily forms anyhydride on heating. Identify the compound $(A)$ .
Updated On	Jul 17, 2023
Topic	Hydrocarbons
Subject	Chemistry
Class	Class 11
Answer Type	Text solution:1 Video solution: 3
Upvotes	420
Avg. Video Duration	12 min

Compound $(A), C_{8} H_{9} Br$ gives a white precipitate when warmed with alcoholic $AgNO_{3} .$ Oxidation of $(A)$ gives an acid $(B)$ , $C_{8} H_{6} O_{4} \cdot (B)$ easily forms anyhydride on heating. Identify the compound $(A)$ .

Text solutionVerified

Filo tutor solutions (3)

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Compound (A),C8​H9​Br gives a white precipitate when warmed with alcoholic AgNO3​. Oxidation of (A) gives an acid (B), C8​H6​O4​⋅(B) easily forms anyhydride on heating. Identify the compound (A).

Text solutionVerified

Filo tutor solutions (3)

Questions from JEE Mains 2013 - PYQs

Practice questions from Arihant Chemistry JEE Main Chapterwise Solutions (2019-2002) (Arihant)

Practice questions from Hydrocarbons in the same exam

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Compound $(A), C_{8} H_{9} Br$ gives a white precipitate when warmed with alcoholic $AgNO_{3} .$ Oxidation of $(A)$ gives an acid $(B)$ , $C_{8} H_{6} O_{4} \cdot (B)$ easily forms anyhydride on heating. Identify the compound $(A)$ .