Types of Elementary Reactions
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- [B]=[B]0(k1[A]k1+k2)(1−e−(k1+k2)t)
- [B]=k1[A]k1+k2(1−e(k1+k2)t)
- [B]=k1[A]0k1+k2(1−e−(k1+k2)t)
- [B]=k1[A]0k1+k2(1−e(k1+k2)t)
For the elementary reaction M ⟶ N, the rate of disappearance of M increases by a factor of 8 upon doubling the concentration of M. The order of the reaction with respect to M is
(IIT-JEE-Advanced 2014)
- 4
- 2
- 3
- 1

- −d[A]dt=k1[A]+k2[B]
- +d[A]dt=k1[A]−k2[B]
- −d[B]dt=k1[A]−k2[B]
- −d[B]dt=k1[A]−k2[B]
- Rate of forward reaction is always very large.
- Rate of backward reaction is very slow in the end.
- Rate of forward reaction is very large at the beginning.
- Rate of backward reaction is very slow in the beginning.
For a consecutive reaction R1k1−→R2 R1k2−→R3 If initial concentration of R1 is 100 M and k1:k2=1:0.15 the value of [R2]max is [Given:k1=4.0×10−2min−1]
71.55 M
7.155 M
5.571 M
55.71 M
A substance undergoes first order decomposition involving two parallel first order reaction as :
The mol percent of B in the product is :
23.17
76.83
30.16
69.84
Which of the following statements are applicable to a balanced chemical equation of an elementary reaction?
(a) Order is same as molecularity
(b) Order is less than the molecularity
(c) order is greater than the molecularity
(d) Molecularity can never be zero
For a reaction A+B⟶ Products, the rate law is ---Rate = k[A][B]3/2 Can the reaction be an elementary reaction? Explain.
In a reaction if the concentration of reactant A is tripled, the rate of reaction becomes twenty seven times. What is the order of the reaction?
A substance undergoes first order decomposition involving two parallel first order reaction as :
The mol percent of B in the product is :
30.16
69.84
23.17
76.83