1.

One litre of a mixture of O_(2) and O_(3) at NTP was allowed to react with an excess of acidified solution of KI. The iodine liberated required 40 mL of M/10 sodium thiosulphate solution for titration. The volume of oxygen left unreacted in the mixture is

Answer»

0.655 L
0.755 L
0.855 L
0.955 L

Answer :D


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