MCQ
Lead is soluble in
- A$C{H_3}COOH$
- B${H_2}S{O_4}$
- C$HCl$
- ✓$HN{O_3}$
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Product of the above reaction is
Find the ( $\Delta S)_{universe}$ in $kJK^{-1}$ .
[Given : $p K _{ a 1}$ and $p K _{ a 2}$ of $H _2 CO _3$ are $6.37$ and $10.32 $, respectively $; \log 2=0.30$ ]