A. Arrhenius constant
B. Molecularity
C. Specific rate constant
D. Ideal rate constant
Related Mcqs:
- At start of reaction the concentration of reactants is_______________?
A. high
B. low
C. according to Kc
D. constant - In rate expression the concentration of reactants is negative. It shows_______________?
A. Concentration of reactant does not change
B. Concentration of product increases
C. Concentration of reactant decreases
D. Concentration of reactant increases - Rate of enzymatic reaction is directly proportional to the concentration of___________________?
A. Enzyme
B. Substrate
C. Enzyme and substrate
D. Enzyme and product - When sparingly soluble salt is in equilibrium with molar concentration of its oppositely charged ion when the product is called_________________?
A. common ion effect
B. solubility product
C. dissociation constant
D. dissociation constant for an acid - When the reaction completes in more than one steps rate of reaction will be determined by________________?
A. Fast step
B. Slowest step
C. All steps
D. Molecularity of the reaction - When catalysts and reactants are in more than one phase it is________________?
A. Homogeneous catalysis
B. Heterogeneous catalysis
C. Catalysis
D. Ea - What will be the order of reaction of a reaction whose rate can be expressed as R = K [A] [B] ?
A. Zero
B. One
C. Two
D. Three - Which one of the following reactants will be required to form straight chain alcohol by using Grignard reagent________________?
A. formaldehyde
B. ketone
C. ethylene epoxide
D. both A & C - For 3rd order reaction the hhalf life is inversely proportional to initial concentration of reactants__________________?
A. Single
B. Square
C. Cube
D. Raise to power four - Energy of activation for backward reaction is less than forward reaction for ___________ reactio?
A. Endothermic
B. Exothermic
C. Moderate
D. Fast
