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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| $\Delta H \,(kJ/mol)$ | |
| $\frac 12 A \rightarrow B$ | $+150$ |
| $3B \rightarrow 2C + D$ | $-125$ |
| $E + A \rightarrow 2D$ | $+350$ |
For $B + D \rightarrow E + 2C, \Delta H$ will be ............. $\mathrm{kJ/mol}$