Which of the following reactions is used to prepare toluene from bromobenzene?

Which one of the following does not give a white precipitate with acidified silver nitrate solution?

For the given reaction,identify the major product $C$.

Identify the product of the following Wurtz-Fittig reaction.

An equimolar mixture of toluene and chlorobenzene is treated with a mixture of conc. $H_{2}SO_{4}$ and conc. $HNO_{3}$. Indicate the correct statement from the following.

The decreasing order of reactivity of the following compounds towards $Na^{\oplus} O^{\ominus} Me$ is: