CHEMICAL KINETICS-10

WHICH OF THE FOLLLOWING IS NOT A FACTOR AFFECTING RATE OF REACTION

• TEMPERATURE

• CATALYST

• CONCENTRATION

• PRESSURE

A catalyst is a substance which _______ the rate of a reaction

• help in calculating

• does not affect

• increases

• Decreases

Catalyst act by_______

• providing alternate pathway

• increasing activation energy

• changing reactant

• no effect

Activation energy is the________energy required to start a chemical rection

• maxmimum

• minimum

catalyst get used up in the reaction

• true

• false

A huge amount of the catalyst is always required to catalyse any reactants.

• true

• false

A catalyst does not alter____

• SPEED

• RATE

• DELTA G

• ALL OF THESE

Catalyst Helps in attaining the equilibrium faster, 

• TRUE

• FALSE

Catalyst catalyses the _________

• spontaneous reactions

• nonspontaneous reactions.

• both

• none

Catalyst does not change the ______

• equilibrium speed

• speed

• equilibrium constant

• rate