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Free Online Mock Chemistry Multiple Choice Test on Chemical Kinetics
Sub Category : Chemical Kinetics Test : 13 Time Left :
1) The conversion of A -> B follows second order kinetics. Doubling the concentration of A will increase the rate of formation of B by a factor of (1) 2 (2) 1/2 (3) 4 (4) 1/4
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2) Diazonium salt decomposes as C6H5N2+Cl- -> C6H5Cl + N2. At 0°C, the evolution of N2 becomes two times faster when initial concentration of the salt is doubled. Thus, it is (1) a firs order reaction (2) a second order reaction (3) independent of initial concentration of reactant (4) a zero order reaction.
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3) Certain compound XY2 decomposes as XY2->X+Y2(g), at certain temperature. The evolution of Y2 gas becomes two times faster when initial conc. Of the compound is doubled. The reaction is of (1) 1st order (2) zero order (3) 2nd order (4) 3rd order.
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4) For a first order reaction, the units of rate constant are (1) mol L-1 sec-1 (2) mol-1 L sec-1 (3) sec-1 (4) mol L-1 sec.
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5)The hydrolysis of ester in alkaline medium is a
(1) 1st order rection with molecularity 1 (2) 2nd order reaction with molecularity-2 (3) 1st order reaction with molecularity 2 (4) 2nd order reaction with molecularity 1
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