Q19 of 66 Page 147

Which of the following pairs are position isomers?


Isomers are compounds with same molecular formula but different structural arrangement. Position isomerism is a structural isomer where the place of the functional group differs. Both II and III are ketones, but one has keto-group on 2nd carbon while other has keto-group on 3rd carbon.

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17

In which of the following representations given below spatial arrangement of group/ atom different from that given in structure ‘A’?


 18

Electrophiles are electron seeking species. Which of the following groups contain only electrophiles?

 20

Which of the following pairs are not functional group isomers?


 21

Nucleophile is a species that should have