Question

draw the structure of propan-2-ol and pentane-2-one.


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Answer 1

Pentanone-3

Pentan means that the parent chain has 5 C atoms. The suffix one-3 represents carbonyl group on third C atom.

(ii) 2-Propanol

Propan means that the parent chain has 3 C atoms. The suffix ol represents alcoholic −OH group. The prefix 2 represents that −OH group is on second C atom.