What is the formula to find the degree of dissociation of reactant in a first order reaction

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Q. Assertion :If the order of reaction is zero, then degree of dissociation will be independent of initial concentration. Reason: The degree of dissociation of zero order reaction is given by

α = \frac{k t}{c_{0}}

Q. In a first order reaction,

75 %

of the reactants disappeared in 1.386 hr. What is the rate constant?

Q. '

n

' mole of a reactant '

A

' gives one mole each of

B

and

C

in reversible reaction. If degree of dissociation of '

A

' is independent of initial concentration of '

A

' then '

n

' is:

The dissociation of nitrogen pentaoxide is a first order reaction. In first 24 min, 75% of nitrogen pentaoxide is dissociated. What amount of nitrogen pentaoxide will be left behind after one hour of the start of reaction?

Q. Assertion :The reciprocal of time in which

63

% of the reactant is converted to the product is equal to the rate constant of first-order reaction. Reason: The rate constant for first order reaction depends on initial concentration of reactants.

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