Q.

Statement-I : KMnO4 is used as self indicator in permanganometric titrations.

Statement-II : Catalytic activity is very high when the chemical adsorption of reactant on catalystic surface is very strong.

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a

I and II are true

b

I is true, II is false

c

I is false, II is true

d

I and II are false

answer is B.

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Detailed Solution

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Chemisorption of reactant on catalystic surfae should not be too strong.

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Statement-I : KMnO4 is used as self indicator in permanganometric titrations.Statement-II : Catalytic activity is very high when the chemical adsorption of reactant on catalystic surface is very strong.