MCQ
Write the order of basic strength


- A$P > Q > R > S$
- B$Q > P > R > S$
- ✓$Q > P > S > R$
- D$S > P > Q > R$


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$[ C ]$ is $........$
Statement $I$ : The rate law for the reaction $A+B \rightarrow C$ is rate $(r)=k[A]^2[B]$. When the concentration of both $\mathrm{A}$ and $\mathrm{B}$ is doubled, the reaction rate is increased " $\mathrm{x}$ " times.
Statement $II$ :
(Image)
The figure is showing "the variation in concentration against time plot" for a $"y"$ order reaction. The value of $x+y$ is . . . . . . 
Reason : $NF_3$ ionizes to give $F^-$ ions in aqueous solution.