WorksheetsFactors affecting Rate of Reactions
Total questions: 10
Worksheet time: 10mins
Which of the following are the factors that affecting the rate of reactions?
Size of reactants
Concentration of reactants
Temperature
Presence of catalyst
All of above
Which factor can only affects the rate of reaction when involved gases as the reactant?
Concentration of reactants
Pressure
Temperature
Size of reactants
Which of the following statement is correct?
Smaller size of reactants, smaller total surface area, higher reaction rate
Larger size of reactants, smaller total surface area, higher reaction rate
Smaller size of reactants, larger total surface area, higher reaction rate
Larger size of reactants, larger total surface area, higher reaction rate
(a) concentration of reactants, higher rate of reaction.
_____________ concentration of reactants by adding solute; ______________ concentration of reactants by adding solvent.
Increase; Increase
Decrease; Decrease
Increase; Decrease
Decrease; Increase
____________ temperature can ___________ the rate of reaction.
Higher; increase
Lower; increase
Moderate; increase
Positive catalyst can __________ the rate of reaction; ___________ catalyst (inhibitor) can _____________ the reaction rate.
decrease; negative; increase
increase; negative; decrease
Does the presence of catalyst will change the amount of product?
Yes
No
The _________ the volume, the _________ the pressure, the __________ the reaction rate.
smaller; higher; higher
larger; higher; higher
larger; lower; higher
smaller; lower; higher
Which of the following can increase the rate of reaction?
(More than 1 option)
Decrease the size of reactants
Increase the temperature
Presence of inhibitors
Increase the concentration of reactants
Increase the pressure
