The major product of the following reaction is P . (CH_3 C=C -CH_3...

The major product of the following reaction is $P$. (\mathrm{CH}_3 $\mathrm{C}=\mathrm{C}$-\mathrm{CH}_3 \xrightarrow[\substack{\text{ (ii) dil. } \mathrm{KMnO}_4 \\ 273 \mathrm{~K}}]{\text{ (i) } \mathrm{Na} / \text{ ing } \mathrm{NH}_3} '^{\prime}) Number of oxygen atoms present in product ' (\mathrm{P}) ' is _______ (nearest integer)