Chemistry Chapter 11 Reactions Kinetics Mcqs Test Online Punjab Class 9th

• <<
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• >>

 0%

Question 1 of 10

Chemistry

1. The rate of a reaction _________ as the reaction proceeds.

Decreases

May increase or decrease

Increases

Remains the same

Question 1 of 10

Question 2 of 10

2. For the reaction 2A + B → C, the rate law for the reaction is

Rate = k[A]²[B]

Rate = k[A][B]

None of these

Rate = k[C]

Question 2 of 10

Question 3 of 10

3. For the reaction 2A + B → C + D The expression for the rate law is, rate = k[A]², the order of reaction in B is:

First

Second

Third

None of these

Question 3 of 10

Question 4 of 10

4. The unit of the rate constant in the same as that of the rate of reaction in ________ order reaction.

Second

Zero

Third

First

Question 4 of 10

Question 5 of 10

5. If a reaction proceeds in such a way that order of reaction is independent of the reactants concentration, the overall order of reaction would be

Third

Zero

First

Second

Question 5 of 10

Question 6 of 10

6. The activation energy for a reaction can be

Decreased by increasing concentration of reactants

Increased by decreasing temperature

Increased by increasing temperature

None of these

Question 6 of 10

Question 7 of 10

7. The rate of a catalyzed reaction is independent of the concentration of

Reactants

Products

None of these

Catalyst

Question 7 of 10

Question 8 of 10

8. Rate law for the reaction R-X + H₂O → R-OH + HX is, rate = k[R-X]. The rate of reaction will be doubled when

Concentration of both R-X and H₂O is doubled

None of these

Concentration of R-X is reduced to half

Concentration of H₂O is doubled

Question 8 of 10

Question 9 of 10

9. In a reversible reaction catalyst lowers the activation energy of the

Forward as well as reverse reaction

Forward reaction

Reverse reaction

Forward reaction but increases for the reverse reaction

Question 9 of 10

Question 10 of 10

10. Reactions with high activation energy are usually

Fast

Slow

Exothermic

Reversible

Question 10 of 10

 Loading...

 

Other Related test

• Punjab 9th class Urdu Poem Barsat Ki Baharain Test Online mcqs
• Punjab 12th Class English The Dying Sun Chapter 1 MCQs Test Online
• Punjab 11th Class Biology Form and Functions in Plants Mcqs Test Online
• Punjab 12th Class Pak Study Chapter 9 Economic Planning and Development in the Islamic Republic of Pakistan Mcqs Test Online
• Punjab 10th Class English Chapter 7 Little by Little One Walks Far Mcqs Test Online
• Punjab 11th Class Chemistry Chapter 9 Solutions and Colloids Mcqs Test Online
• Punjab 9th Class Chemistry Model Paper 5 Mcqs Test Online
• Punjab 9th Class Islamiat Chapter 4 Zakat Mcqs Test Online
• Punjab 12th Class English Good Bye Mr. Chips Chapter 12 MCQs Test Online
• Punjab 10th Class Computer Science Chapter 7 Worldwide Web and HTML Mcqs Test Online