1.
In a 1st order reaction, reactant concentration C varies with time t as
2.
The rate constant of a zero order reaction is If the concentration of the reactant after min is Then its initial concentration would be
3.
For a chemical reaction the rate of appearance of is The rate of disappearance of will be
4.
For a reaction, the half-life period is 10 min. in what period of time would the concentration of X be reduce to 10% of original concentration?
5.
When is the activation energy for the decomposition of as,
<img width=132 height=36 src="https://mytat.co/uploads/question/CHEMICALKINETICS-1_filesimage394.png">
If the values of rate constant <img width=93 height=20 src="https://mytat.co/uploads/question/CHEMICALKINETICS-1_filesimage395.png">at <img width=30 height=20 src="https://mytat.co/uploads/question/CHEMICALKINETICS-1_filesimage211.png"> and rate constant <img width=136 height=20 src="https://mytat.co/uploads/question/CHEMICALKINETICS-1_filesimage396.png">
6.
Rate equation for a second order reaction is:
7.
Which of the following statements are correct?
1.Order of a reaction can be known from experimental result and not from the stoichiometry of reaction
2. Overall molecularity of a reaction may be determined in a manner similar to overall order of reaction
3. Overall order of reaction,
<img width=113 height=20 src="https://mytat.co/uploads/question/CHEMICALKINETICS-1_filesimage401.png">is<img width=54 height=20 src="https://mytat.co/uploads/question/CHEMICALKINETICS-1_filesimage402.png">
4. Molecularity of a reaction refers to
(i) Molecularity of each of the elementary steps (slow steps) in a multistep reaction
(ii) Molecularity of that particular step in a single step reaction
Select the correct answer by using the codes given below
8.
For the order reaction with rate constant 'K' and initial concentration 'a', the half-life period given by
9.
For the reaction , , the order of reaction is
10.
Which expression is wrong for fist order reaction?