MCQ
The above reaction is:


- AElectrophilic substitution.
- BElectrophilic addition.
- ✓Nucleophilic addition.
- DNucleophilic substitution.


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$A_{(g)} \longrightarrow B_{(g)} + C_{(g)}$
The initial pressure of the system before deomposition of $A$ was $P_i$. After time $'t'$ total pressure of the system increased by $x\, units$ and become $'P_t'$. The rate constant $k$ for reaction is given as