MCQ
Chlorine gas is not produced by heating
- ✓$SOCl_2$
- B$PbCl_4$
- C$FeCl_3$
- D$Hg_2Cl_2$
$(hot \;and \;conc.)\quad \quad (A)\quad \quad \quad side \;product$
$2 \mathrm{Ca}(\mathrm{OH})_{2}+2 \mathrm{Cl}_{2} \rightarrow \mathrm{Ca}(\mathrm{OCl})_{2}+\mathrm{CaCl}_{2}+2 \mathrm{H}_{2} \mathrm{O}$
$(dry)\quad \quad \quad \quad \quad \quad \quad \quad (B)\quad \quad \quad side \;product$
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${E^o}_{\left( {{I_2}/{I^ - }} \right)},{E^ \circ }_{\left( {Br^-/B{r_2}} \right)}$ and ${E^ o }_{\left( {{Fe}/{Fe^{2+} }} \right)}$
are respectively $+ 0.54\ V$, $-1.09\ V$ and $0.44\ V$. On the basis of above data which of the following process is non-spontaneous


| Aspects | Metal |
| $(a)$ The metal which reveals a maximum number of oxidation states | $(i)$ Scandium |
| $(b)$ The metal although placed in $3 d$ block is considered not as a transition element | $(ii)$ Copper |
| $(c)$ The metal which does not exhibit variable oxidation states | $(iii)$ Manganese |
| $(d)$ The metal which in $+1$ oxidation state in aqueous solution undergoes disproportionation | $(iv)$ Zinc |
Select the correct option
