MCQ
$'A'$ will be


- A$Pd + H_2$
- B$NaBH_4$
- C$LiAlH_4$
- ✓$Pd/BaSO_4+H_2$

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$(i)$ $PtCl _{4} . 5 NH _{3}$ $(ii)$ $PtCl _{4} . 4 NH _{3}$ $(iii)$ $PtCl _{4} . 3 NH _{3}$ $(iv)$ $PtCl _{4}. 2 NH _{3}$
Follow the order
$2B\xrightarrow{k}{B_2}\,\left[ {Slow} \right]$
${B_2} + A \to D\,\left[ {Fast} \right]$
The rate law expression, order with respect to $A$, order with respect to $'B'$ and overall order of reaction are respectively