MCQ
Which of the following isoelectronic and isostructural:
- A
- B
- C
- D
$\text{CO}^{2-},\text{NO}^{0-}_3$
Explanation:
$\text{CO}^{2-}_3$ has 6 + 24 + 2 = 32 electrons, $\text{NO}^-_3$ has 7 + 24 + 1 = 32 electron. Both are triangle planar.
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$A : 1s^2\, 2s^2\, 2p^6$
$B : 1s^2\, 2s^2\, 2p^6\, 3s^2\, 3p^3$
$C : 1s^2\, 2s^2\, 2p^6\, 3s^2\, 3p^5$