A. Concentration of reactant does not change
B. Concentration of product increases
C. Concentration of reactant decreases
D. Concentration of reactant increases
Related Mcqs:
- Rate of reaction when concentration of reactants are taken as unity is called_________________?
A. Arrhenius constant
B. Molecularity
C. Specific rate constant
D. Ideal rate constant - At start of reaction the concentration of reactants is_______________?
A. high
B. low
C. according to Kc
D. constant - Negative log of mular concentration of H+ ions is called___________________?
A. pH
B. pOH
C. pKa
D. pKw - When catalysts and reactants are in more than one phase it is________________?
A. Homogeneous catalysis
B. Heterogeneous catalysis
C. Catalysis
D. Ea - 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 - Rate expression for ammonia synthesis is___________________?
A. Kc=x2/(a-x)(b-x)
B. Kc=x2/v(a-x)
C. Kc=4×2/(a-2x)2(b-x)
D. Kc=4x2v2/(a-x)(b-3x)3 - Rate of enzymatic reaction is directly proportional to the concentration of___________________?
A. Enzyme
B. Substrate
C. Enzyme and substrate
D. Enzyme and product - When a graph is plotted between 1/T on X-axis and log k on y-axis a straight line is obtained with a negative slope which has two end in__________________?
A. I and II quadrant
B. II and III quadrant
C. III and IV quadrant
D. II and IV quadrant - 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 - Sum of exponents of molar concentration is called___________________?
A. Order of reaction
B. Molecularity
C. Rate of reaction
D. Average of reaction
