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Grade: 12th pass

                        

What are the units of rate constant for the first order reaction?

2 months ago

Answers : (8)

Rituraj Tiwari
askIITians Faculty
1789 Points
							LetRbe the rate of reaction.
For first order reaction,
R=K[A]1
⇒K=R[A]^−1
Whereas,Kand[A]are rate constant and initial concentration of reactant respectively.
Therefore,
Unit of rate constant=(molL−1)^(1−n)sec−1
For first order reaction,
n=1
Unit of rate constant=sec−1
Hence the unit of rate constant for first order reaction issec−1.
2 months ago
Vikas Amritiya
askIITians Faculty
158 Points
							
Dear student

 

Let R be the rate of reaction.
For first order reaction,
R=K[A]1
K=R[A]1
Whereas, K and [A] are rate constant and initial concentration of reactant respectively.
Therefore,
Unit of rate constant =(molL1)1nsec1
For first order reaction,
n=1
Unit of rate constant =sec1
Hence the unit of rate constant for first order reaction is sec1.
2 months ago
adilakshmigogada 27
101 Points
							
Let R be the rate of reaction.
For first order reaction,
R=K[A]1
K=R[A]1
Whereas, K and [A] are rate constant and initial concentration of reactant respectively.
Therefore,
Unit of rate constant =(molL1)1nsec1
For first order reaction,
n=1
Unit of rate constant =sec1
Hence the unit of rate constant for first order reaction is sec1
./
one month ago
adilakshmigogada 27
101 Points
							
Let R be the rate of reaction.
For first order reaction,
R=K[A]1
K=R[A]1
Whereas, K and [A] are rate constant and initial concentration of reactant respectively.
Therefore,
Unit of rate constant =(molL1)1nsec1
For first order reaction,
n=1
Unit of rate constant =sec1
Hence the unit of rate constant for first order reaction is sec1/
 
one month ago
adilakshmigogada 27
101 Points
							
Let R be the rate of reaction.
For first order reaction,
R=K[A]1
K=R[A]1
Whereas, K and [A] are rate constant and initial concentration of reactant respectively.
Therefore,
Unit of rate constant =(molL1)1nsec1
For first order reaction,
n=1
Unit of rate constant =sec1
Hence the unit of rate constant for first order reaction is sec1
‘/
one month ago
adilakshmigogada 27
101 Points
							
Let R be the rate of reaction.
For first order reaction,
R=K[A]1
K=R[A]1
Whereas, K and [A] are rate constant and initial concentration of reactant respectively.
Therefore,
Unit of rate constant =(molL1)1nsec1
For first order reaction,
n=1
Unit of rate constant =sec1
Hence the unit of rate constant for first order reaction is sec1
]’/
one month ago
adilakshmigogada 27
101 Points
							
Let R be the rate of reaction.
For first order reaction,
R=K[A]1
K=R[A]1
Whereas, K and [A] are rate constant and initial concentration of reactant respectively.
Therefore,
Unit of rate constant =(molL1)1nsec1
For first order reaction,
n=1
Unit of rate constant =sec1
Hence the unit of rate constant for first order reaction is sec1
/,.
one month ago
adilakshmigogada 27
101 Points
							
Let R be the rate of reaction.
For first order reaction,
R=K[A]1
K=R[A]1
Whereas, K and [A] are rate constant and initial concentration of reactant respectively.
Therefore,
Unit of rate constant =(molL1)1nsec1
For first order reaction,
n=1
Unit of rate constant =sec1
Hence the unit of rate constant for first order reaction is sec1
,.,.
one month ago
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