Statement - I : Every collision of reactant molecule is not successful. Statement - II: Every collision of reactant molecule with proper orientation is successful one.
A
Both statements are true Statement - II is correct explanation of Statement - I
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B
Both statements are true but Statement -II is not correct explanation of Statement - I
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C
Statement - I is true but Statement - II is false
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D
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.