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Some amount of ..20V.. H(2)O(2) is mixe...

Some amount of ..20V.. `H_(2)O_(2)` is mixed with excess of acidifeid solution KI. The iodine so liberated required 200ml of 0.IN `Na_(2)S_(2)O_3` for tritration.
The volume of `O_2` at STP that would be linerated above `H_2O_2` solution :

A

56 ml

B

112 ml

C

168 ml

D

224 ml

Text Solution

Verified by Experts

The correct Answer is:
B
Volume of `O_2` liberated
= Volume strength `xx` vol.of `H_2O_2` solution
`=20xx5.6 =112`ml
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