Reaction Kinetics Chemistry MCQs Part 2


FSC Physics MCQs Part 2 Physics Part 1 HSSC Pre Medical Pre Engineering text Book Questions first year and second-year Physics mcqs

[quiz]
[question]
The rate of reaction
A. Increases as the reaction proceeds B. Decreases as the reaction proceeds
C. Remains the same as the reaction proceeds D. May decrease or increase as the reaction proceeds
[/question]
[answer]
Show Answer
[explanation]B[/explanation]
[/answer]
[/quiz]

[quiz]
[question]
The specific rate constant of a first order reaction depends on the
A. Time B. Concentration of the reactant
C. Temperature D. Concentration of the product
[/question]
[answer]
Show Answer
[explanation]C[/explanation]
[/answer]
[/quiz]

[quiz]
[question]
The value of activation energy is primarily determined by
A. Temperature B. Effective collision
C. Concentration of reactants D. Chemical nature of reactants and products
[/question]
[answer]
Show Answer
[explanation]B[/explanation]
[/answer]
[/quiz]

[quiz]
[question]
Spontaneous reactions are
A. Moderate B. Slow
C. Fast D. not natural
[/question]
[answer]
Show Answer
[explanation]C[/explanation]
[/answer]
[/quiz]

[quiz]
[question]
In rate expression the concentration of reactants is negative. It shows
A. Concentration of reactant does not change B. Concentration of product increases
C. Concentration of reactant decreases D. Concentration of reactant increases
[/question]
[answer]
Show Answer
[explanation]C[/explanation]
[/answer]
[/quiz]

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