Statement I : In the iodometric titration, starch is used as an indicatorStatement II : Starch is a polysaccharide.
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a
Statement I and II are correct
b
Statement I is correct and II is incorrect
c
Statement I is incorrect and statement II is correct
d
Statement I and II are incorrect
answer is A.
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Detailed Solution
I) In iodometric titration starch added to I2 gives blue colour.When I2 is reduced to I- near the end point blue colour disappearsStatement I is correctII) Starch is (C6H10O5)n a polysacchoride formed by condensation of α - glucose unitsStatement II is correct