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?
  1. The product A2B shows the properties of substances A and B
  2. The product will always have a fixed composition
  3. The product so formed cannot be classified as a compound
  4. The product so formed is an element

  5. (a) (i), (ii) and (iii)
    (b) (ii), (iii) and (iv)
    (c) (i), (iii) and (iv)
    (d) (ii), (iii) and (iv)

AcademicChemistryNCERTClass 9

Correct answer: (c) (i), (iii) and (iv)  
Explanation:  2A + B → A2B
The product A2B is a new compound formed hence, it does not show the properties of A and B. The product formed is a compound and not an element. The composition of a compound is fixed.
Updated on 10-Oct-2022 13:29:32