The correct order of rate of addition of $\mathrm{Br}_2$ /water to the following alkenes is

When $\mathrm{CH}_3 \mathrm{Br}$ and $\mathrm{C}_2 \mathrm{H}_5 \mathrm{Br}$ are subjected to Wurtz reaction, the maximum number of possible alkane product(s) formed is/are

Maximum number of bromine atoms present in the final product $P$ upon complete bromination are

The reaction of one mole of 3-ethyl-3-methylpenta-1, 4-diene with $\mathrm{O}_3$ and then with $\mathrm{Zn} / \mathrm{H}_2 \mathrm{O}$, gives