Question

(iii) Which of these organic compounds belong to the alkane series?
(a) P
(b) Q
(c) R
(d) All of these
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Answer 1

Answer:

The homologous series of straight-chained alkanes begins methane (CH4), ethane (C2H6), propane (C3H8), butane (C4H10), and pentane (C5H12). In that series, successive members differ in mass by an extra methylene bridge (-CH2- unit) inserted in the chain.

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Answer 2

Explanation:

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PQR all forms alkane series so all of these (D) option is correct