CACYOFUI CHE156 Quiz

The moby which reactant is transformed into product is known as _______

• Rate of Reaction

• Reaction Mechanism

• Reaction governing rules

• Reaction Kinetics

Which of the following is true

• Reaction Kinetics deals with the rate at which reactant is converted into a product under varying conditions

• Reaction Kinetics deals with rate at which reactant is converted into a product under constant conditions and mechanisms by which such reaction occurs

• Reaction Kinetics deals with the rate at which reactant is converted into a product under varying conditions and mechanisms by which such reaction occurs.

• Reaction Kinetics deals with the factors that affect the rate of chemical reactions

• All of the Above

Which of the following parameters is used for measuring rate of reactions

• Change in temperature with time

• Change in color of the reactants or products

• Time taken for product to form from a reactant

• Concentration of the reactants and products

• Change in concentration of the reactants or the product with time

Consider the hypothetical reaction below

Cg + Dg = Eg + Fg

The rate of the reaction above can be given as

• -d[E]/dt

• -d[D]/dt

• -d[F]/dt

• d[D]/dt

• All of the above

In the plot of concentration of reactants of product against time, the rate of reaction can be measured by taking the

• Tangent to the plot

• Intercept on Y- axis

• Intercept on X-axis

• Maximum point on the curve

• Area under the curve

A + B = C

In 10 minutes, the concentration of reactants A in the reaction above is reduced from 100 mol/dm³ to 50mol/dm³. Calculate the rate of reaction

• 5 mol/dm³ per seconds

• 5 mol/dm³ per minute

• 10 mol/dm³ per minute

• 10 mol/dm³ per second

• 15 mol/dm³ per minute

The rate of chemical reactions is a function of

• Temperature

• Concentration

• Catalyst used

• A and B only

• All of the Above

Which of the following factors does not affect rate of chemical reactions

• Temperature of the reaction system

• Concentration of reactants

• Ability of the reactants to come in contact with each other

• Catalyst

• Concentration of the product

The individual steps in a chemical reaction also known as ___

• Reaction processes

• Kinetics processes

• Chemical processes

• Stoichiometric steps

• None of the above

The time taken for product to appear or reactant to disappear ia known as

• Rate of chemical reactions

• Reaction Kinetics

• Reaction Mechanism

• Stoichiometric rates

• Mode of reaction