Rates of Chemical Reaction - Jamb Chemistry Past Questions and Answers

Question 71:

• JAMB 2015

The furring of kettles is caused by the presence in the water of

A. Calcium tetraoxosulphate (IV)
B. Calcium hydrogentrionocarbonate (IV)
C. Calcium hydroxide
D. Calcium trioxocarbonate (IV)

Question 72:

• JAMB 2015

PCL5(g)= PCL3(g) + Cl2(g)
In the reaction above, a decrease in pressure will

A. Decelerate the reaction
B. Increase yield of Pcl3
C. Increase the yield of Pcl5
D. Accurate the reaction

Question 73:

• JAMB 2016

The gas that is used for the treatment of cancer is

A. Neon
B. Radon
C. Xenon
D. Argon

Question 74:

• JAMB 2016

CH_4(g) + CI_2(g) \(\to\) CH₂CI_(s) + HCI_g
The major factor that influences the rate of the reaction above is

A. Concentration
B. Catalyst
C. Temperature
D. Light

Question 75:

• JAMB 2018

To what temperature must a gas at 273k be heated in order to double both its volume and pressure?

A. 298K
B. 546K
C. 819K
D. 1092K