Question

Which one of the following is present as an active ingredient in bleaching powder for bleaching action?

• A. $Ca (OCl_2)$
• B. $Ca O_2 Cl_2$
• C. $CaCl_2$
• D. $CaCl_2$

Answer 1

Answer: (A)

$Ca (OCl_2)$

Answer 2

$Ca ( OCl )_{2}$ is active ingredient which is responsible for bleaching action. Bleaching powder formula

$Ca ( OCl )_{2} .CaCl _{2} .Ca ( OH )_{2} .2 H _{2} O$