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WAEC Chemistry 2023 Paper

Question : 15

Total: 50

Solution:

In the given options,

\mathrm{C}_2\mathrm{H}_6

(ethane) and

\mathrm{C}_4\mathrm{H}_{10}

(butane) both belong to the same homologous series, as they have the same alkane functional group

\mathrm{C}_{n}\mathrm{H}_{2n}+2

and differ by a

\mathrm{CH}_2

group:

\mathrm{C}_2\mathrm{H}_6

: Ethane

\mathrm{C}_4\mathrm{H}_{10}

: Butane

Both of these compounds are members of the alkane homologous series.

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