Question

Two substances, A and B react to form a third substance A₂B according to the following reaction:

$2\mathrm{A}+\mathrm{B}\to {\mathrm{A}}_2\mathrm{B}$

Which of the following statements are incorrect?

• A. (i), (ii) and (iii)
  
• B. (ii), (iii) and (iv)
  
• C. (i), (iii) and (iv)
• D. (ii), (iii) and (iv)

Answer 1

The correct option is C

(i), (iii) and (iv)

The explanation of the correct option:

• The product will always have a fixed composition.
• By the law of conservation of mass, The mass of reactant and product will always be the same.

The explanation of the incorrect option:

• Product A₂B will never exhibit properties of substances A and B. Elements have always different properties from compounds.
• The product so formed mainly classified as a compound.
• The product so formed is a compound of A and B.

So, the correct option is ‘C’.