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Question

CO is isoelectronic with

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Solution

Solution:
Isoelectronic Species:

The species with same number of electrons are called isoelectronic species.

Number of electrons of \('C' = 6\)

Number of electrons of \('N' = 7\)

Number of electrons of \('O' = 8\)

Number of electrons of \('Cl' = 17\)

Number of electrons of \('Sn' = 50\)

Total number of electrons of \(NO^{+}~=~7+8-1=14\)

Total number of electrons of \(N_{2}=7+7=14\)

Total number of electrons of \(SnCl_{2}\)

\(=50+2\times17=84\)

Total number of electrons of \(NO^{-}_{2}\)

\(=7+8\times2+1=24\)

\(NO^{+}\text{and}~N_{2}\) have the same number of electrons, thus they are isoelectronic species. The correct answer are options (A) and (B).

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