MCQ
Silver nitrate is prepared by
- AThe action of only conc. $HN{O_3}$ on silver
- BHeating silver oxide with $N{O_2}$
- ✓The action of hot dil. $HN{O_3}$ on silver
- DDissolve $Ag$ in aqua-regia
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How many moles of $Sn^{2+}$ will be oxidized by $1\, mol \,Cr_2O_7^{2-}$ into $Sn^{4+}$ ?
$\mathop {\begin{array}{*{20}{c}}
O \\
{||} \\
{Ph - C - Ph}
\end{array}}\limits_{(I)} $ $\mathop {\begin{array}{*{20}{c}}
{\,\,\,\,\,\,O} \\
{\,\,\,\,\,||} \\
{C{H_3} - C - H}
\end{array}}\limits_{(II)} $ $\mathop {\begin{array}{*{20}{c}}
{\,O} \\
{||} \\
{C{H_3} - C - C{H_3}}
\end{array}}\limits_{(III)} $
gly $=$ glycinato; bpy $=2,2$ '-bipyridine