Some amount of "20V" `H_(2)O_(2)` is mixed with excess of acidified solution of Kl. The iodine so liberated required 2

Some amount of "20V" `H_(2)O_(2)` is mixed with excess of acidified solution of Kl. The iodine so liberated required 200 mL of 0.1 N `Na_(2)S_(2)O_(3)` for titration.
The volume of `O_(2)` at STP that would be liberated by above `H_(2)O_(2)` solution on disproportionation is :
A. 56 mL
B. 112 mL
C. 168 mL
D. 224 mL

Some amount of "20V" `H_(2)O_(2)` is mixed with excess of acidified solution of Kl. The iodine so liberated required 200 mL of 0.1 N `Na_(2)S_(2)O_(3)

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