A. Promoter
B. Catalyst
C. Inhibitor
D. All of the above
Related Mcqs:
- The unit of the rate constant (k) is same as that of rate of reaction________________?
A. First order reaction
B. Second order reaction
C. Zero order reaction
D. Third order reaction - On increasing the temperature the rate of reaction increases mainly because_________________?
A. The activation energy of the reaction increases
B. Concentration of the reacting molecules increases
C. Collision frequency increases
D. None of these - 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 - 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 - Energy of activation for backward reaction is less than forward reaction for ___________ reactio?
A. Endothermic
B. Exothermic
C. Moderate
D. Fast - Consider the following reaction- 2KCIO3 + H2C2O4 + H2SO4 ? K2SO4 + 2H2O + 2CO2 + Oxide Which oxide of chlorine is produced in the above reaction ?
A. Cl2O
B. ClO2
C. Cl2O6
D. Cl2O7 - Consider the following reaction- 3Cl2 + 6NaOH ? NaClO3 + 5NaCl + 3H2O This reaction is_______________?
A. Displacement reaction
B. Double displacement reaction
C. Disproportionation reaction
D. Reduction reaction - The specific rate constant of a first order reaction depends on the________________?
A. Time
B. Concentration of the reactant
C. Temperature
D. Concentration of the product - Which of the following will have very high rate of reaction ?
A. Double decomposition reaction
B. Neutralization reaction
C. Ionic reactions
D. all of above - 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
