Statement - I : Every collision of reactant molecule is not successful.
Statement - II: Every collision of reactant molecule with proper orientation is successful one.

Both statements are true Statement - II is correct explanation of Statement - I

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Both statements are true but Statement -II is not correct explanation of Statement - I

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Statement - I is true but Statement - II is false

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Statement - I is false but Statement - II is true

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Solution

The correct option is D Statement - I is true but Statement - II is false
Statement I is true that every collision of the reactant molecule is not successful also it does not depend on orientation only.

A successful collision leads to a chemical reaction when the reactant molecules collide with proper orientation and attain the threshold energy level. So statement II is false.

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I

\to L = I \to ω

II

\to τ = \frac{d \to L}{d t}

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