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Free Online Mock Chemistry Multiple Choice Test on Chemical Kinetics
Sub Category : Chemical Kinetics Test : 16 Time Left :
1) For a reaction 2N2O5->4NO2 + O2 rate and rate constant are 1.02 Ã- 10-4 mol L-1s-1 and 3.4 Ã- 10-5 sec-1. The conc. of N2O5 at that time will be (1) 1.732 mol L-1 (2) 3 mol L-1 (3) 1.02 Ã- 10-4 mol L-1 (4) 3.2 Ã- 10-5 mol L-1
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2) The half-life period for a first order reaction is 693 seconds. The rate constant of this reaction would be(1) 0.1 sec-1 (2) 0.01 sec-1 (3) 0.001 sec-1 (4) 0.0001 sec-1
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3) The reaction 2N2O5->2N2O4 + O2 is(1) Biomolecular and second order (2) Unimolecular and first order (3) Biomolecular and first order (4) Biomolecular and zero order
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4) Collision theory is applicable to
(1) First order reactions (2) Zero order reactions (4) Intramolecular reactions
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5) A chemical reaction was carried out at 300K and 280K. The rate constants were found to be k1 and k2 respectively. Then(1) k2 = 4k1 (2) k2 = 2k1 (3) k2 = 0.25k1 (4) k2 = 0.5k1
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