Question

2) Homologous series differs from the next member by a constant different
of...
a) carbon atom
d) methylene group
c) ethylene group
c) functional group​

Answer 1

Answer:

carbon atom means CH2 group

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Answer 2

Answer:

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Explanation:

(b) Methylene Group

A homologous series is a series of compounds in which each member differs from the next/previous by CH2 or 14 mass units.