MCQ
Relation between $K_1$ and $K_2$ is


- A$K_1 = K_2$
- ✓$K_1 > K_2$
- C$K_2 > K_1$
- D$K_1 = K_2 = 1$


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Half-life does not depend on the concentration of the reactant. After $10 \,\min,$ volume of $N_2$ gas is $20\, L$ and after the completion of reaction, it is $100\, L$. Hence, rate constant is :- 

$Ca\left( s \right)|C{a^{ + 2}}_{\left( {aq.} \right)}||F{e^{ + 2}}_{\left( {aq} \right)}|Fe\left( s \right)$
$E_{C{a^{ + 2}}/Ca}^o = - 2.87\,V$ ; $E_{Fe/F{e^{ + 2}}}^o = 0.41\,V$