The molecular formula of a homologue of butane is :
(a) $C_{4} H_{8}$ (b) $C_{3} H_{6}$ (c) $C_{4} H_{6}$ (d) $C_{3} H_{8}$

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Solution

(d) $C_{3} H_{8}$

$C_{3} H_{8}$ is the molecular formula of a homologue of butane as it satisfies the general formula $C_{n} H_{2 n + 2}$ of the alkane series.

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Q. If the molecular formula of a compound is C3H8, find its empirical formula.

Butane has molecular formula:

(a) Give the names and structural formulae of the next two higher homologues of methane.
(b) The molecular formula of a hydrocarbon is $C_{10} H_{18} .$ Name its homologous series.
(c) Select the hydrocarbons which are members of the same homologous series. Give the name of each series.
$C_{5} H_{10}; C_{3} H_{8}; C_{6} H_{10}; C_{4} H_{10}; C_{7} H_{12}; C_{8} H_{16}$

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The molecular formula of a homologue of butane is : (a) C4H8 (b) C3H6 (c) C4H6 (d) C3H8

(d) C3H8 C3H8​​​​​​​​​​​​​​ is the molecular formula of a homologue of butane as it satisfies the general formula CnH2n+2 of the alkane series.

The molecular formula of a homologue of butane is :
(a) $C_{4} H_{8}$ (b) $C_{3} H_{6}$ (c) $C_{4} H_{6}$ (d) $C_{3} H_{8}$

(d) $C_{3} H_{8}$

$C_{3} H_{8}$ is the molecular formula of a homologue of butane as it satisfies the general formula $C_{n} H_{2 n + 2}$ of the alkane series.