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Rate Law is considered one of the most asked concept.
61 Questions around this concept.
Consider the reaction, products. When concentration of
alone was doubled, the half-life did not change. When the concentration of
alone was doubled, the rate increased by two times. The unit of rate constant for this reaction is
The rate law for a reaction between the substances A and B is given by rate =
On doubling the concentration of A and halving the concentration of B, the ratio of the new rate to the earlier rate of the reaction will be as
For the reaction, the differential rate law can be written as :
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For a reaction of the type is equal to
In a reaction, , the X disappears at
A reaction involving two different reactants can never be
Identify the correct statement for a reaction, A+ 2B→2C
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During the course of a Zero order chemical reaction, the rate of a reaction
The rate of a reaction aA +bB Products, is given by . On doubling the concentration of A and halving the concentration of B the rate of reaction changes by
For a chemical reaction , the initial rate
at
is experimentally found to be
What is the value of at
in
?
The rate of any reaction depends upon the concentration of the reactants in rate law equation that is rate law and rate of reaction depend upon the order of the reaction.
Let us consider this reaction:
Rate law equation for the reaction can be given as:
Here p, q are experimental quantities which may or may not be equal to the respective stoichiometric coefficients ( x, y).
The differential rate expression for nth order reaction is as follows:
If concentration be expressed in mole L-1 and time in minutes, then
The rate constant of a first-order reaction has only time in its unit. It has no concentration term in the unit. This means the numerical value of k first-order reaction is independent of the unit in which concentration is expressed. If the concentration unit is changed, the numerical value of k for a first-order reaction will not change. However, it would change with change in time.
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