MCQ
Plumbosolvancy implies dissolution of lead in
- ABases
- BAcids
- ✓Ordinary water
- D$CuS{O_4}$ sol
So the plumbosolvency implies the dissolution of lead in ordinary water.
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$\mathrm{A}(l) \rightarrow 2 \mathrm{B}(\mathrm{g})$
$\Delta \mathrm{U}=2.1\; \mathrm{kcal}, \Delta \mathrm{S}=20\; \mathrm{cal} \mathrm{K}^{-1}$ at $300\; \mathrm{K}$
Hence $\Delta \mathrm{G}$ in $\mathrm{kcal}$ is

Given : $\log 2=0.3, \ln 10=2.3$
