MCQ
Which of the following element does not show variable valency
- A$Ni$
- ✓$Zn$
- C$Cu$
- D$Mn$
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${\text{C}}{{\text{l}}_2}\,{\text{(1}}\,{\text{atm) |}}\,{\text{C}}{{\text{l}}^ - }\,{\text{(1}}\,\,{\text{M)}}\,{\text{|| C}}{{\text{l}}^ - }\,(0.1\,M)\,|\,C{l_2}\,(2\,atm)$
Given that $\left[ {\frac{{{{\left[ B \right]}_t}}}{{{{[C]}_t}}} = \frac{{16}}{9}} \right]$
$A\,\xrightarrow{{{K_1}\, = \,2\, \times \,{{10}^{^{ - 3}\,}}{S^{ - 1}}}}4B$
$A\to C$
Reason : Iodine is a polar compound.