AIIMS2008Chemistry-Inorganic Chemistry
AIIMS 2008 Chemistry Bleaching Powder Assertion Reason Question
Type: Assertion Reason-conceptual-Medium-Class 11
Assertion: Bleaching powder reacts with dilute acids to evolve chlorine.
Reason: The chlorine liberated by the action of dilute acids on bleaching powder is called available chlorine.
A
Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
B
Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
C
Assertion is true but Reason is false.
D
Both Assertion and Reason are false.
Correct Answer
Option B
Detailed Explanation
The reaction involved is CaOCl2 + H2SO4 → CaSO4 + H2O + Cl2 The available chlorine may be defined as the % of chlorine liberated when one mole of bleaching powder (127 g) is treated with excess of dilute H2SO4.
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