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Which of the following does not belong to the same homologous series? (A) CH4 (B) C2H6 (C) C3H8 (D) C4H8

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asked Feb 8, 2018 in Chemistry by sforrest072 (157,439 points) ● 61 ● 410 ● 939
edited Mar 6, 2018 by faiz

Which of the following does not belong to the same homologous series?

(A) CH4                         (B) C2H6
(C) C3H8                        (D) C4H8

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answered Feb 8, 2018 by mdsamim (213,225 points) ● 5 ● 10 ● 15
edited Feb 24, 2018 by Vikash Kumar
 
Best answer

In homologous series, the consecutive members of the series differ from one another by -CH2- group. Methane (CH4) is the first member of homologous series of alkanes. Second member is ethane (C2H6) Third member is propane (C3H8) Fourth member is butane (C4H10) Hence, C4H8 does not belong to the homologous series of alkanes.

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