Question

which of the following are isoelectronic? CN-,NO,C2 ,BN,CN+​

Answer 1

Hey mate....

${NO^{+}, CN^{-} and C_{2}}$

Is your required answer...

Answer 2

Answer: CN-, NO+ and C2 are the electromagnetic ions given in the options.

Explanation:

The ions which have no unpaired electrons are termed as the diamagnetic ions. Example molecules of N2 and ions of Na+ and coordinate compound [Fe(CN)6]4−.

The ions which have the unpaired electrons are termed as the paramagnetic ions.