- ✓Reducing agent
- BDehydrating agent
- CSulphonating agent
- DHighly viscous
$Mg + H _2 SO _4 \rightarrow MgSO _4+ H _2$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(a)$ $X < Y < Z$ $(b) X < Z < Y$
$(c) Y < Z < X$ $(d) Z < Y < X$

$\mathop {{H_2}(Pt)}\limits_{1\,atm} \left| {\begin{array}{*{20}{c}}
{H_{aq}^ + }\\
{pH = 4}
\end{array}} \right|\left| {\begin{array}{*{20}{c}}
{A{g^ + }}\\
{xM}
\end{array}} \right|\begin{array}{*{20}{c}}
{Ag}\\
{}
\end{array}$
What is the value of $x$ ? ........... $\mathrm{M}$
( give : $E_{A{g^ + }|Ag}^o = + 0.8$ $\frac{{2.303\,RT}}{F} = 0.06 $)
(Nearest integer)
[Use : Molal Freezing point depression constant of water $\left.=1.86 \,\mathrm{~K} \,\mathrm{~kg} \,\mathrm{~mol}^{-1}\right]$
Freezing Point of water $=273\, \mathrm{~K}$
Atomic masses : $\mathrm{C}: 12.0\, \mathrm{u}, \mathrm{O}: 16.0\, \mathrm{u}, \mathrm{H}: 1.0\, \mathrm{u}]$