Q17 of 56 Page 118

Pentane has the molecular formula C5H12. It has:

There are 4 C-C bonds and 12 C-H bonds.

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15

Which of the following is not a straight chain hydrocarbon?

 16

Which among the following are unsaturated hydrocarbons?

(i) H3C — CH2 — CH2 — CH3


(ii) H3C — C ≡ C — CH3


(iii)


(iv)

18

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

 19

Vinegar is a solution of: