CBSE Class 10 Science Question 3 of 46

Solved 2023 Question Paper CBSE Class 10 Science — Question 3

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Question 3

MnO2 + xHCl ⟶ MnCl2 + yH2O + zCl2

In order to balance the above chemical equation, the values of x, y and z respectively are

  1. 6, 2, 2
  2. 4, 1, 2
  3. 4, 2, 1
  4. 2, 2, 1
Answer

4, 2, 1

Reason — The balanced equation is as follows:

MnO2 + 4HCl ⟶ MnCl2 + 2H2O + Cl2