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A compound contains `92.3%` of carbon and `7.7%` of hydrogen. The moleculer of the compound is 39 times heavier than hydrogen molecule. The molecular formula of the compound is
A. `C_(3)H_(3)`
B. `C_(2)H_(2)`
C. `C_(2)H_(4)`
D. `C_(6)H_(6)`

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Correct Answer - D
`GMW = 2 xx 39 = 78 g(GMW_(H_(2))=29)`
`M.F = E.Fxx (GMW)/(EFW)`

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