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IIT JEE Advanced 2012 Paper 2

Paragraph for Questions 33 and 34:
Bleaching powder and bleach solution are produced on a large scale and used in several household products. The effectiveness of bleach solution is often measured by iodometry.

Question : 34

Total: 60

25 mL of household bleach solution was mixed with 30 mL of 0.50 M KI and 10 mL of 4 N acetic acid. In the titration of the liberated iodine, 48 mL of 0.25 N Na2S2O3 was used to reach the end point. The molarity of the household bleach solution is

0.48 M
0.96 M
0.24 M
0.024 M

Validate

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