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JEE MAIN 2023
24-01-23 S2
Question
The hybridization and magnetic behaviour of cobalt ion in $\left.\left[\mathrm{Co}\left(\mathrm{NH}_3\right)\right]^3\right]^{3+}$ complex, respectively is
Select the correct option:
A
$\mathrm{sp}^3 \mathrm{~d}^2 \text { and diamagnetic }$
B
$\mathrm{d}^2 \mathrm{sp}^3 \text { and paramagnetic }$
C
$\mathrm{d}^2 \mathrm{sp}^3$ and diamagnetic
D
$\mathrm{sp}^3 \mathrm{~d}^2$ and paramagnetic
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]+^{+3}-\mathrm{d}^2 \mathrm{sp}^3$, diamagnetic
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