Which among the following alkenes is most stable?

Which of the following compounds has highest boiling point?

Which of the following is obtained as product when ethylene reacts with oxygen in presence of $$\mathrm{Pd} / \mathrm{Al}_2 \mathrm{O}_3$$ ?

Identify the product P obtained in following reaction.

Benzene + ozone (excess) $$\stackrel{\mathrm{CCl}_4}{\longrightarrow}$$

Benzene triozonide $$\stackrel{\mathrm{Zn} / \mathrm{H}_2 \mathrm{O}}{\longrightarrow} \mathrm{P}+\mathrm{H}_2 \mathrm{O}_2$$