Two substances, A and B were made to react to form a third substance, A2B according to the following reaction 2A + B → A2B which of the following statements concerning this reaction are incorrect?(i) The product A2B shows the properties of substances A and B(ii) The product will always have a fixed composition(iii) The product so formed cannot be classified as a compound(iv) The product so formed is an element (a) (i), (ii) and (iii)
(b) (ii), (iii) and (iv)
(c) (i), (iii) and (iv)
(d) (ii), (iii) and (iv)​