Complete the following equation :
Write the products of the following reactions:
Predict the major product $ P $ in the following sequence of reactions:
(i) HBr, benzoyl peroxide
(ii) KCN
(iii) Na(Hg), $C_{2}H_{5}OH$
Arrange the following states in sequence (highest to lowest) according to their reserves of iron ore and choose the correct option.
I. Jharkhand
II. Karnataka
III. Chhattisgarh
IV. Odisha