MCQ
Which metal gives $NH_4 NO_3$ , when react with dilute $HNO_3$ acid?
- ✓$Zn$
- B$Pb$
- C$Cu$
- D$Au$
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(Given, $\mathrm{R}=8.3\; \mathrm{J} \mathrm{mol}^{-1} \mathrm{K}^{-1}$$, \ln \left(\frac{2}{3}\right)=0.4$ $\left.e^{-3}=4.0\right)$