Two substances, A and B were made to react to form a third substance, A₂B according to the following reaction
2 A + 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.

Question

Two substances, A and B were made to react to form a third substance, A₂B according to the following reaction
2 A + 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.

Philoid · Accepted Answer

A₂B is a compound made up of two elements A and B which are present in a fixed ratio. The properties of a compound (e.g. A₂B) are entirely different from those of its constituent elements (i.e., A and B). The product will always have a fixed composition.