In the above reaction,the major product '$P$' is:

Among the given pairs,in which pair does the first compound react faster than the second compound in an $S_{N}1$ reaction?

Match the following reactions with their mechanisms:
$(A)$ $CH_3CH_2CH_2I \xrightarrow{aq. KOH}$
$(B)$ $(CH_3)_3CCl \xrightarrow{H_2O}$
$(I)$ $S_N1$
$(II)$ $E_2$
$(III)$ $S_N2$
$(IV)$ $E_1$

Which of the following statements is true in the case of alkyl halides?

Among the following pairs of reactions,in which pair is the second reaction more reactive than the first in an $S_{N^1}$ reaction?

Increasing the concentration of a nucleophile in a typical $S_N2$ reaction by a factor of $10$ will cause the reaction rate to