1.

Pick out the isoelectronic structure from the following `I. CH_(3)^(+) " " II. H_(3)O^(+)` `III. NH_(3) " " IV CH_(3)^(-)`A. I and IIB. III and IVC. I and IIID. II,III and IV

Answer» Correct Answer - B::D
Among the given structure , `H_(3)O^(+),NH_(3)` and `CH_(3)^(-)` have 10 electrons each and are isoelectronic. `CH_(3)^(+)` has only 8 electrons. So (b) and (d) are correct.


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