MCQ
If there is $2$ nodal surfaces in third excited state. Find the orbital angular momentum
- A$\sqrt 3 \,\hbar $
- ✓$\sqrt 2 \,\hbar $
- C$4\,\hbar $
- D$\frac{1}{{\sqrt 2\, \hbar }}\,$
$n-\ell-1=2$
$4-\ell-1=2$
$C=1$
$=\sqrt{\ell(\ell+1)} \hbar$
$=\sqrt{1(1+1)} h=\sqrt{2} \hbar$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$2\left[ Au ( CN )_2\right]_{( aq )}^{-}+ Zn ( s ) \rightarrow 2 Au ( s )+\left[ Zn ( CN )_4\right]_{( aq )}^{2-}$
$A.$ Redox reaction
$B.$ Displacement reaction
$C.$ Decomposition reaction
$D.$ Combination reaction
Choose the correct answer from the options given below: