For the kinetic study of the reaction of iodide ion with 
at room temperature, identify the statements that are incorrect.
(I) Always use freshly prepared sucrose solution.
(II) Always keep the concentration of sodium thiosulphate solution more than that of KI solution.
(III) Record the time immediately after the appearance of the blue colour.
(IV) Record the time immediately before the appearance of the blue colour.
Choose the most appropriate answer from the options given below.
Text Solution
Verified by ExpertsD
In the iodide- 
clock, use freshly prepared starch (not sucrose); no rule that 
- thiosulfate is just a fixed small amount; the time is noted at the first appearance of blue colour, not before it.
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