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The chemical analysis of a compound havi...

The chemical analysis of a compound having molecular mass gave =188, C 12.8%, H = 2.1 % and Br = 85.1%. Its molecular formula is

A

`CH_3Br`

B

`C_2H_4Br`

C

`C_2H_5Br`

D

`CH_2Br_2`

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