Question:
Two substances, $A$ and $B$ were made to react to form a third substance, $A_{2} B$ according to the following reaction
$2 A+B \rightarrow A_{2} B$
Which of the following statements concerning this reaction are incorrect?
(i) The product $\mathrm{A}_{2} \mathrm{~B}$ shows the properties of substances $\mathrm{A}$ and $\mathrm{B}$
(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).
Solution:
(c) Except for (ii) all other statements are incorrect.