Q20 of 56 Page 118

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

The other three compounds form a homologous series of alkanes (CnH2n+2), whereas C4H8 is an alkene (CnH2n).

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Ethanol reacts with sodium and forms two products. These are:

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Vinegar is a solution of:

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The name of the compound

CH3 — CH2 — CHO is:

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The heteroatoms present in

CH3 — CH2 — O — CH2 — CH2Cl are:


(i) oxygen (ii) carbon


(iii) hydrogen (iv) chlorine