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In an organic compound of molar mass 108...

In an organic compound of molar mass `108 gm mol^-1 C, H and N` atoms are presents in `9 : 1 : 3.5` by mass. Molecular formula can be

A

`C_(6)H_(8)N_(2)`

B

`C_(7)H_(10)N`

C

`C_(5)H_(6)N_(3)`

D

`C_(4)H_(18)N_(3)`

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