MCQ
An electronic transition from $1s$ orbital of an atom causes
- ✓Absorption of energy
- BRelease of energy
- CBoth release or absorption of energy
- DUnpredictable
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$\begin{array}{*{20}{c}}
{{{\left( {{C_2}{H_5}} \right)}_2}NC{H_2}CH \cdot COOH} \\
{\,\,\,\,\,\,\,|} \\
{\,\,\,\,\,\,\,Cl}
\end{array}$
is :
(Relative atomic masses of $Ag$ and $Br$ are $108\, u$ and $80\, u$, respectively).
$(I)$ $B + ANO_3 \to B NO_3 + A$
$(II)$ $A + HCl \to ACl + \frac{1}{2}{H_2}$
$(III)$ $D + ECl \to DCl + E$
$(IV)$ $D + HNO_3 \to H_2$ gas is not evolved
