MCQ
${(C{H_3})_2}C = \mathop {CH}\limits_{\mathop {|\,\,\,\,\,\,\,}\limits_{C{H_3}} } \mathop {\xrightarrow{{{\text{Catalyst}}}}}\limits_{{H_2}} $ Optical isomers
- A$2$
- B$4$
- ✓$0$
- D$3$
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${E^0}_{F{e^{3 + }}/F{e^{2 + }}}$ $=$ $ + 0.77\;V$
${E^0}_{S{n^{2 + }}/Sn} = - 0.14\;V$ Under standard conditions the potential for the reaction $S{n_{(s)}} + 2F{e^{3 + }}(aq) \to 2F{e^{2 + }}(sq) + S{n^{2 + }}(aq)$ is ............ $\mathrm{V}$
($1$) $W$ and $\mathbf{X}$ are, respectively
$[A]$ $O_3$ and $P_4 O_6$ $[B]$ $O_2$ and $P_4 O_6$ $[C]$ $O_2$ and $P_4 O_{10}$ $[D]$ $O_3$ and $P_4 O_{10}$
($2$) $Y$ and $Z$ are, respectively
$[A]$ $N_2 O_3$ and $\mathrm{H}_3 \mathrm{PO}_4$
$[B]$ $N_2 O_5$ and $\mathrm{HPO}_3$
$[C]$ $N_2 O_4$ and $HPO_3$
$[D]$ $N_2 O_4$ and $H_3 PO_3$
Give the answer of quetion ($1$) and ($2$)