The compound which would undergo a reaction with ammonia by the ${\mathrm{S}}_{\mathrm{N}}1$ mechanism is

The maximum number of moles of ${\mathrm{CH}}_3\mathrm{I}$ consumed by one mole of crixivan, a drug against $\mathrm{AlDS}$ is

The reactions from those given below that involve a carbocation intermediate are

In the above reaction, which phenomenon will take place:

The product $\mathrm{A}$ is

The product $\mathrm{A}$ is

  Rearranged Carbocation $+\mathrm{AgBr}$

The rearranged Carbocation is