MCQ
For a $d$ electron, the orbital angular momentum is
- ✓$\sqrt {6\hbar } $
- B$\sqrt {2\hbar } $
- C$\hbar $
- D$2\hbar $
For $d -$ orbital, $1=2$
Thus, the orbital angular momentum is $=\sqrt{6} \frac{ h }{2 \pi}$
$\sqrt {6\hbar } $
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[Use: $\left.\mathrm{R}=8.3 \,\mathrm{~J} \,\mathrm{~mol}^{-1}\, \mathrm{~K}^{-1}\right]$

${C_6}{H_5} - N{H_2}\xrightarrow[{HCl}]{{NaN{O_2}}}A\xrightarrow{{CuCN}}B\xrightarrow{{{H_2}/Ni}}C\xrightarrow{{HN{O_2}}}D$
product $(D)$ would be