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Chemical Kinetics

Question

Calculate the half-life period of a first order reaction when the rate constant is 5 year^–1.

Solution

For half- life first order reaction

$t_{1 / 2} = \frac{0.693}{k}$

k= 5years^-1
or $t_{1 / 2} = \frac{0.693}{5 {years}^{- 1}} = 0.1368 year = 50 days 14 hrs . 8 \min 9.6 s .$

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

Calculate the half-life period of a first order reaction when the rate constant is 5 year^–1.

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

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For Daily Free Study Material Join wiredfaculty

Chemical Kinetics

Calculate the half-life period of a first order reaction when the rate constant is 5 year–1.

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

Calculate the half-life period of a first order reaction when the rate constant is 5 year^–1.