Some Basic Concepts of Chemistry / रसायन की कुछ मूलभूत अवधारणाएँ
JEE Main & Advanced
Chemistry
Some Basic Concepts of Chemistry / रसायन की कुछ मूलभूत अवधारणाएँ
Question Bank
Chemical stoichiometry
question_answer
In order to prepare one litre normal solution of \[KMn{{O}_{4}}\], how many grams of \[KMn{{O}_{4}}\] are required if the solution is used in acidic medium for oxidation [MP PET 2002]
A) 158 g
B) 31.6 g
C) 790 g
D) 62 g
Correct Answer:
B
Solution :
Acidic medium \[E=\frac{M}{5}=\frac{158}{5}=31.6gm\].