MCQ
Which cation has smallest radius
- A${K^ + }$
- B$N{a^ + }$
- C$L{i^ + }$
- ✓$B{e^{2 + }}$
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the time taken for $75 \%$ reaction of $P$ is twice the time taken for $50 \%$ reaction of $P$. The concentration of $Q$ varies with reaction time as shown in the figure. The overall order of the reaction is