From the given reaction 2KMnO4 + 3H2SO4 + 5H2O2 - K2SO4 + 2MnSO4 + 8H2O + 5O2 Find the normality of H2O2 solution, if 20 mL of it is required to react completely with 16 mL of 0.02 M KMnO4 solution. ( Molar mass of KMnO4 = 158 g mol-1)

Question

From the given reaction 2KMnO4 + 3H2SO4 + 5H2O2 -> K2SO4 + 2MnSO4 + 8H2O + 5O2 Find the normality of H2O2 solution, if 20 mL of it is required to react completely with 16 mL of 0.02 M KMnO4 solution. ( Molar mass of KMnO4 = 158 g mol-1) (A) 4 × 10-2 N  (B) 2 × 10-2 N  (C) 6 × 10-2 N  (D) 8 × 10-2 N

Tardigrade Admin · Accepted Answer

Correct answer is (d) 8 × 10-2 N

$4 \times 1 0^{- 2} N$

$2 \times 1 0^{- 2} N$

$6 \times 1 0^{- 2} N$

$8 \times 1 0^{- 2} N$

Correct answer is (d) $8 \times 1 0^{- 2} N$

Q. From the given reaction 2KMnOX4​+3HX2​SOX4​+5HX2​OX2​​KX2​SOX4​+2MnSOX4​+8HX2​O+5OX2​ Find the normality of HX2​OX2​ solution, if 20mL of it is required to react completely with 16mL of 0.02 M KMnOX4​ solution. ( Molar mass of KMnOX4​=158 g molX−1)

4×10−2N

2×10−2N

6×10−2N

8×10−2N

Correct answer is (d) 8×10−2N

$4 \times 1 0^{- 2} N$

$2 \times 1 0^{- 2} N$

$6 \times 1 0^{- 2} N$

$8 \times 1 0^{- 2} N$

Correct answer is (d) $8 \times 1 0^{- 2} N$