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In the study of oxidation of iodide ions...

In the study of oxidation of iodide ions by hydrogen peroxide in presence of an acid and starch as a clock reaction,

A

thiosulphate added should be in large amount

B

thiosulphate added should be in small amount

C

amount of thiosulphate added has no importance

D

thiosulphate is added to speed up the reaction

Text Solution

Verified by Experts

The correct Answer is:
B
Thiosulphate added should be in small amount so that it reacts away with iodine and the iodine further liberated can give blue colour with starch.
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