Decreasing the concentration of an electrophile (substrate) in a typical $S_N2$ reaction by a factor of $3$ will cause the reaction rate to
- Aincrease by a factor of $3$
- Bincrease by a factor of $3^2$
- Cdecrease by a factor of $3$
- Dremain about the same
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For the given reaction,what is the major product '$A$'?
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$3-\text{ethylbenzonitrile} + Br_2 \xrightarrow{UV \text{ light}} A$
The reactivities of $methyl$ $chloride$,$propyl$ $chloride$ and $chlorobenzene$ are in the order:
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