1.

Species which are isoelectronic with OF_(2) is/are

Answer»

`CLO^(-)`
CLF
`NH_(2)CL`
`ClO_(2)`

Solution :`ClO^(-)` (17 + 8 + 1 = 26), ClF (17 + 9 = 26) and `NH_(2)Cl` (7 + 2 + 17 = 26) all the THREE are isoelectronic. Only `ClO_(2)` (17 + 2 `xx` 8 = 33) is not isoelectronic.


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