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प्रश्न
Define the following term:
Pseudo first-order reaction
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उत्तर
The reactions that have higher order true rate law but are found to behave as first order are called pseudo first order reactions.
\[\ce{CH3COOCH3 + H2O - CH3COOH + CH3OH}\]
संबंधित प्रश्न
A → B is a first order reaction with rate 6.6 × 10-5m-s-1. When [A] is 0.6m, rate constant of the reaction is
- 1.1 × 10-5s-1
- 1.1 × 10-4s-1
- 9 × 10-5s-1
- 9 × 10-4s-1
For a reaction A + B ⟶ P, the rate is given by
Rate = k [A] [B]2
What is the overall order of reaction if A is present in large excess?
For a reaction : 
(i) Write the order and molecularity of this reaction.
(ii) Write the unit of k.
Mention the factors that affect the rate of a chemical reaction.
A reaction is first order in A and second order in B. Write the differential rate equation.
Define the following terms:
Half-life period of reaction (t1/2).
Consider a first order gas phase decomposition reaction given below :
\[\ce{A(g) -> B(g) + C(g)}\]
The initial pressure of the system before decomposition of A was pi. After lapse of time ‘t’, total pressure of the system increased by x units and became ‘pt’ The rate constant k for the reaction is given as ______.
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?
For a reaction A + B → products, the rate law is given by: r = `K[A]^(1/2)`. What is the order of reaction?
Assertion (A): Order of reaction is applicable to elementary as well as complex reactions.
Reason (R): For a complex reaction, molecularity has no meaning.
