Activation energy (E_a) and rate constants (k₁ and k₂) of chemical reaction at two different temperatures (T₁ and T₂) are related by

$ln space k subscript 2 over k subscript 1 space equals negative E subscript a over R open parentheses 1 over T subscript 1 minus 1 over T subscript 2 close parentheses$
$ln space k subscript 2 over k subscript 1 space equals negative E subscript a over R open parentheses 1 over T subscript 2 minus 1 over T subscript 1 close parentheses$
$ln space k subscript 2 over k subscript 1 space equals negative E subscript a over R open parentheses 1 over T subscript 2 plus 1 over T subscript 1 close parentheses$
$ln space k subscript 2 over k subscript 1 space equals E subscript a over R open parentheses 1 over T subscript 1 minus 1 over T subscript 2 close parentheses$

Solution

ln space k subscript 2 over k subscript 1 space equals E subscript a over R open parentheses 1 over T subscript 1 minus 1 over T subscript 2 close parentheses

According to Arrhenius equation, activation energy (E_a) and rate constants (k₁ and k₂) of chemical reaction at two different temperatures (T₁ and T₂) are related as,
$ln space k subscript 2 over k subscript 1 space equals E subscript a over R open parentheses 1 over T subscript 1 minus 1 over T subscript 2 close parentheses$

Some More Questions From Chemical Kinetics Chapter

The conversion of molecules X to Y follows second order kinetics. If concentration of X is increased to three times how will it affect the rate of formation of Y?

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Chemical Kinetics

Some More Questions From Chemical Kinetics Chapter

The conversion of molecules X to Y follows second order kinetics. If concentration of X is increased to three times how will it affect the rate of formation of Y?

What will be the effect of temperature on rate constant?

A reaction is 50% complete in 2 hours and 75% complete in 4 hours. What is the order of the reaction.

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Chemical Kinetics

Activation energy (Ea) and rate constants (k1 and k2) of chemical reaction at two different temperatures (T1 and T2) are related by

Some More Questions From Chemical Kinetics Chapter

The conversion of molecules X to Y follows second order kinetics. If concentration of X is increased to three times how will it affect the rate of formation of Y?

What will be the effect of temperature on rate constant?

A reaction is 50% complete in 2 hours and 75% complete in 4 hours. What is the order of the reaction.

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation