25 g hydrocarbon of burning with excess ...

25 g hydrocarbon of burning with excess of air produces 88 g `CO_(2)` and 9g water, mass of C and H in the hydrocarbon is

A

22g of carbon and 3g of hydrogen

B

24g of carbon and 1g of hydrogen

C

20g of carbon and 5g of hydrogen

D

18g of carbon and 7g of hydrogen

Verified by Experts

The correct Answer is:

B

Mass of `CO_(2) = 88 g`
`therefore` Mass of C =`12/44 xx 88 = 24 g`
Mass of `H_(2)O = 9 g`
`therefore` Mass of `H = 2/18 xx 9= 1 g`

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