MCQ
Which of the following element does not occur in liquid form
- A$Hg$
- ✓$Li$
- C$Ga$
- D$Br$
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${\text{C}}{{\text{l}}_2}\,{\text{(1}}\,{\text{atm) |}}\,{\text{C}}{{\text{l}}^ - }\,{\text{(1}}\,\,{\text{M)}}\,{\text{|| C}}{{\text{l}}^ - }\,(0.1\,M)\,|\,C{l_2}\,(2\,atm)$
Statement $I$: $\mathrm{S}_8$ solid undergoes disproportionation reaction under alkaline conditions to form $\mathrm{S}^{2-}$ and $\mathrm{S}_2 \mathrm{O}_3{ }^{2-}$
Statement $II$: $\mathrm{ClO}_4^{-}$can undergodisproportionation reaction under acidic condition. In the light of the above statements, choose the most appropriate answer from the options given below :
Reason $(R)$: $\left[\mathrm{Co}(\mathrm{en})_2 \mathrm{Cl}_2\right]^{+}$complex ion has an octahedral geometry.
In the light of the above statements, choose the most appropriate answer from the options given below :