A straight chain alkane is formed out of ten carbon atoms. How many hydrogen atoms will be there in that molecule?

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Solution

The correct option is C 22
The general formula of a non-cyclic alkane is $C_{n} H_{2 n + 2}$ , where 'n' is the number of carbon atoms. Hence, for an alkane having ten carbon atoms, there are $(2 \times 10) + 2 = 22$ hydrogen atoms.

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