Daily Chemistry Problems for JEE - Day 4

Chemistry Level 3

To 8.4 8.4 mL H 2 O 2 H_2O_2 , excess of acidified solution of K I KI was added. The iodine liberated required 20 20 mL of 0.3 0.3 N N a 2 S 2 O 3 Na_2S_2O_3 solution. The volume strength of H 2 O 2 H_2O_2 solution is:


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The answer is 4.

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