MCQ
${H_2}S$ is more acidic than ${H_2}O$, due to
- A$O$ is more electronegative than $S$
- ✓$O - H$ bond is stronger than $S - H$ bond
- C$O - H$ bond is weaker than $S - H$ bond
- DNone of these
${H_2}O < {H_2}S < {H_2}Se < {H_2}Te$
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$\begin{array}{*{20}{c}}
{OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3} - CH - C{H_2} - C{H_2} - OH}
\end{array}\,$ ${\xrightarrow[{Pyridine{\kern 1pt} cold}]{{Cr{O_3}}}}$ Product
|
List-$I$ (Complexion) |
List-$II$ (Spin only magnetic moment in B.M.) |
| $A$ ${\left[\mathrm{Cr}\left(\mathrm{NH}_5\right)_0\right]^{3+}}$ | $I$ $4.90$ |
| $B$ ${\left[\mathrm{NiCl}_4\right]^{2-}}$ | $II$ $3.87$ |
| $C$ ${\left[\mathrm{CoF}_6\right]^{3-}}$ | $III$ $0.0$ |
| $D$ ${\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}}$ | $IV$ $2.83$ |
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