Chemical Kinetics MCQ
82.A first order reaction is 50% completed in 50 minutes, when will 75% of the reaction be completed?
75minutes
100 minutes
200 minutes
300 minutes
96. Unit of rte constant for first order reaction is [2074]
Mols-1
L mol-1s-1
s-1
Mols L-1s-1
90. The unit of rate constant for third order reaction is [2073]
S-1
mol-2L2x-1
mol-1LS-1
molL-1s-1
84. Consider the reaction 2A + B → C + D. If the concentration of the reactants are increase by three times, the rate of reaction will increase by [2071]
3 times
6 times
9 times
27 times
95. The rate of reaction is independent of [2070]
Temperature
Concentration
Particle size of reactant
Molecularity
99. The unit of rate of constant for first order reaction is. [2069]
sec-1
mol sec-1
mol-1 sec-1
liter2mol-2s-1