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0.246 gm of an organic compound gave 0.1...

0.246 gm of an organic compound gave 0.198 gm of carbon dioxide and 0.1014 gm of water on complete combustion. 0.37 gm of the compound gave 0.638 gm of silver bromide. [Vapour density of the compound is 54.4]
What is the percentage composition of bromine in the compound?

A

`21.95%`

B

`4.58%`

C

`73.37%`

D

`52.32%`

Text Solution

Verified by Experts

The correct Answer is:
C
Percentage of bromine = `(80)/188xx("Mass of AgBr formed")/("Mass of substance taken")xx100= 80/188 xx (0.638)/(0.37) xx 100 = 73.37%`
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