Half life period of a first order reaction `A to ` product is 6.93 hour . What is the value of rate constant ?
Half life period of a first order reaction `A to ` product is 6.93 hour . What is the value of rate constant ?
A. `1.596h^(1)`
B. `0.1h^(-1)`
C. `4.802h^(-1)`
D. `10h^(-1)`
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Correct Answer - B
We have the formulae for half-life of first order reaction,
`t_(1//2)=0.693/k`where k = rate constant
`therefore" "6.93h=0.693/kRightarrowk=(0.693)/(6.93h)`
`k=0.1h^(-1)`
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