Ethene reacts with hydrogen to form ____________.
Give balanced equations when : (a) ethene is burnt in excess of oxygen. (b) ethene reacts with chlorine. (c) ethene combines with hydrogen chloride. (d) a mixture of ethene and hydrogen is passed over nickel at 200∘C.
Among the following, which element reacts with hydrogen to form a compound A and on treatment with water liberates hydrogen gas?