The molecular formula of butane is:

C_{4} H_{10}

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C_{5} H_{12}

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C_{4} H_{8}

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C_{4} H_{6}

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Solution

The correct option is D $C_{4} H_{10}$
The general molecular formula of an alkane is $C_{n} H_{2 n + 2}$ . For butane, the value of n is 4. So the chemical formula of butane would be $C_{4} H_{2 \times 4 + 2} = C_{4} H_{10}$ .
So, the correct option is A.

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Q. TIle molecular formula of butane is:

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The molecular formula of butane is:

The correct option is D C4H10The general molecular formula of an alkane is CnH2n+2. For butane, the value of n is 4. So the chemical formula of butane would be C4H2×4+2=C4H10. So, the correct option is A.

The correct option is D $C_{4} H_{10}$
The general molecular formula of an alkane is $C_{n} H_{2 n + 2}$ . For butane, the value of n is 4. So the chemical formula of butane would be $C_{4} H_{2 \times 4 + 2} = C_{4} H_{10}$ .
So, the correct option is A.