(A) For a first-order reaction,the half-life period is given by the formula: $t_{1/2} = \frac{0.693}{K}$ Substituting the given value of $K = 5.5 \tim

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(A) For a first-order reaction,the half-life period is given by the formula: $t_{1/2} = \frac{0.693}{K}$ Substituting the given value of $K = 5.5 \times 10^{-14} \ s^{-1}$: $t_{1/2} = \frac{0.693}{5.5 \times 10^{-14}} \ s$ $t_{1/2} = 0.126 \times 10^{14} \ s$ $t_{1/2} = 1.26 \times 10^{13} \ s$

Class 12 Chemistry Chemical Kinetics First Order reaction

Medium

For a first-order reaction,if the rate constant $K = 5.5 \times 10^{-14} \ s^{-1}$,then its half-life period will be .......

A
$1.26 \times 10^{13} \ s$
B
$2.16 \times 10^{13} \ s$
C
$1.26 \times 10^{13} \ s$
D
$2.16 \times 10^{13} \ s$

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Chemical Kinetics

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First Order reaction

The half-life of a first-order reaction $X \longrightarrow Y + Z$ is $3 \ minutes$. What is the time required to reduce the concentration of $X$ by $90 \%$ of its initial concentration?

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For a first order reaction at $27^{\circ} C$,the ratio of time required for $75 \%$ completion to $25 \%$ completion of reaction is

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For a first order reaction $A \to$ product,the rate of reaction at $[A] = 0.2 \, mol \, L^{-1}$ is $1.0 \times 10^{-2} \, mol \, L^{-1} \, min^{-1}$. The half-life period for the reaction is .......... $min$.

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Which of the following is the correct equation for a first-order reaction?

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For a first order reaction,the concentration of reactant was reduced from $0.03 \ mol \ L^{-1}$ to $0.02 \ mol \ L^{-1}$ in $25 \ min$. What is its rate (in $mol \ L^{-1} \ s^{-1}$)?

MediumAP EAMCET 2020

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For a first-order reaction,if the rate constant $K = 5.5 \times 10^{-14} \ s^{-1}$,then its half-life period will be .......

Similar Questions

The half-life of a first-order reaction $X \longrightarrow Y + Z$ is $3 \ minutes$. What is the time required to reduce the concentration of $X$ by $90 \%$ of its initial concentration?

For a first order reaction at $27^{\circ} C$,the ratio of time required for $75 \%$ completion to $25 \%$ completion of reaction is

For a first order reaction $A \to$ product,the rate of reaction at $[A] = 0.2 \, mol \, L^{-1}$ is $1.0 \times 10^{-2} \, mol \, L^{-1} \, min^{-1}$. The half-life period for the reaction is .......... $min$.

Which of the following is the correct equation for a first-order reaction?

For a first order reaction,the concentration of reactant was reduced from $0.03 \ mol \ L^{-1}$ to $0.02 \ mol \ L^{-1}$ in $25 \ min$. What is its rate (in $mol \ L^{-1} \ s^{-1}$)?

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