Fission of Covalent Bond — Prelims Questions

Which of the following conditions would favor homolytic fission of a C-Cl bond in an organic molecule?

Which of the following carbocations is the most stable?

Which of the following represents homolytic fission of a $\text{Cl-Cl}$ bond?

Which of the following carbanions is the least stable?

In the reaction $\text{CH}_3\text{CH}_2\text{Br} + \text{OH}^- \rightarrow \text{CH}_3\text{CH}_2\text{OH} + \text{Br}^-$, the C-Br bond undergoes which type of fission?

Which of the following species is an example of a free radical?