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Statement-I : Molecularity of a first order reaction is always one
Statement-II : Order of a reaction can be fractional

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Both I and II are false

Both I and II are true

I is false, II is true

I is true, II is false

answer is C.

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Detailed Solution

I) Molecularity has no relation with order. Order is determined experimentally
whereas molecularity is deduced from mechanism.
II) If concentration of a reactant increases but rate of reaction decreases then order is negative.

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