MCQ
The orbital angular momentum of an electron in $2s$-orbital is
- A$\frac{1}{2}\frac{h}{{2\pi }}$
- B$\frac{h}{{2\pi }}$
- C$\sqrt 2 \frac{h}{{2\pi }}$
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takes places through the mechanism given below :
$NO + Br _2 \Leftrightarrow NOBr _2 \text { (fast) }$
$NOBr _2+ NO \rightarrow 2 NOBr \text { (slow) }$
The overall order of the reaction is $.....$.