Rate of Reaction - AS Level Exercise

Rate of Reaction - AS Level Exercise

10th - 12th Grade

10 Qs

quiz-placeholder

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Rate of Reaction - AS Level Exercise

Rate of Reaction - AS Level Exercise

Assessment

Quiz

Chemistry

10th - 12th Grade

Medium

Created by

Muhammad Noor

Used 16+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which of the following factors can affect the value of the activation energy of a reaction? (you can choose more than one answer)

the presence of a catalyst

changes in temperature

changes in the concentration of the reactants

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

1, 2, and 3 are correct

1 and 2 only are correct

2 and 3 only are correct

1 only is correct

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The Boltzmann distribution is shown for a sample of gas at an initial temperature, T1. The sample of gas was heated to temperature, T2. What is the correct distribution for the higher temperature, T2?

Media Image
Media Image
Media Image
Media Image

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The diagram shows a Boltzmann distribution of molecular energies for a gaseous mixture. The distribution has a peak, labelled P on the diagram. What happens when the temperature of the mixture increases?

The height of the peak P, decreases and the activation energy moves to the left.

The height of the peak P, decreases and the activation energy moves to the right.

The height of the peak P, decreases and the activation energy does not change

The height of the peak P, increases and the activation energy moves to the left.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The diagram shows a Boltzmann distribution of molecular energies for a gaseous mixture. The distribution has a peak, labelled P on the diagram. What happens when an effective catalyst is added to the mixture?

The height of the peak decreases and the activation energy moves to the right.

The height of the peak decreases and the activation energy moves to the left.

The height of the peak remains the same and the activation energy moves to the right.

The height of the peak remains the same and the activation energy moves to the left.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which statement about Ea1 is correct?

Ea1 corresponds to a catalysed reaction with fewer effective collisions than the uncatalysed reaction.

Ea1 corresponds to an uncatalysed reaction with fewer effective collisions than the catalysed reaction.

Ea1 corresponds to a catalysed reaction with a greater number of effective collisions than the uncatalysed reaction.

Ea1 corresponds to an uncatalysed reaction with a greater number of effective collisions than the catalysed reaction.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

higher temperature=P; presence of catalyst=X

higher temperature=P; presence of catalyst=Y

higher temperature=Q; presence of catalyst=X

higher temperature=Q; presence of catalyst=Y

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