MCQ
Which of the following group elements are metal only?
- AGroup 14
- ✓Group 2
- CGroup 17
- DGroup 13
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$ H_2(g) + Cl_2(g) \to 2HCl(g), \Delta H^o = -185\, kJ$
What is $\Delta U^o$ for this reaction? .....$kJ$
$\begin{array}{*{20}{c}}
{\,\,\,\,\,H} \\
{\,\,\,\,\,\,|} \\
{C{H_3}C{H_2} - N - CHO}
\end{array}$
If dilute $HCl$ is added to an aqueous solution of ${H_2}S$ without any change in temperature