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What is collision frequency (Z) of a rea...

What is collision frequency (Z) of a reaction ? How is rate related to it for the reaction ` A+B to ` Products.

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The number of collision per second per unit volume of the reaction mixture is called collision frequency (Z). For a bimolecular elementary reactions.
`A + B to` products, Rate `=A_(AB) e - E_(a)//RT.`
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-ELECTROCHEMISTRY & CHEMICAL KINETICS-VERY SHORT ANSWER QUESTIONS
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