Choose the most reasonable reaction intermediate for the following reaction.

The most stable carbanion among the following is

The intermediates in heteropolar reactions are

State True or False for the following statements:
$(i)$ Only carbocation is formed by homolytic cleavage of a bond.
$(ii)$ By heterolytic cleavage of a bond,a carbocation or carbanion is formed.
$(iii)$ The carbon of a carbanion is $sp^2$ and the carbon of a carbocation is $sp^3$.
$(iv)$ The carbon of a carbanion is $sp^3$ and the carbon of a carbocation is $sp^2$.

Which of the following carbocations is the most stable?

In the given compound,$Cl$ will be liberated easily in the form of: