MCQ
Ammonium nitrate on heating gives ___________.
- ANitric oxide
- BNitrogen
- CNitrogen peroxide
- DNitrous oxide
Explanation:
NH4NO3 $\xrightarrow{\text{onheating}}$ 2H2O + N2O (NItrous oxide).
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$Cu ( s )+2 Ag ^{+}( aq ) \rightleftharpoons Cu ^{2+}( aq )+2 Ag ( s )$
The equilibrium constant for the reaction.$\frac{1}{2} Cu ^{2+}( aq )+ Ag ( s ) \rightleftharpoons \frac{1}{2} Cu ( s )+ Ag ^{+}( aq )$ is $x \times 10^{-8}$. The value of $x$ is (Nearest Integer)
$[K_b\,(CH_3COO^-) =10^{-9},pK_a\,(HPh)=9.6,log\,2 =0.3]$