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Free Online Mock Chemistry Multiple Choice Test on Chemical Kinetics
Sub Category : Chemical Kinetics Test : 13 Time Left :
1) In a reaction, 2A+B ->A2B the reactant A will disappear at (1) half the rate that B will decrease (2) the same rate that B will decrease (3) twice the rate that B will decrease (4) the same rate that A2B will form
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2) The inversion of cane sugar is represented by C12H22O11 + H2O -> C6H12O6 + C6H12O6 It is a reaction of (1) second order (2) Unimolecular (3) Pseudounimolecular (4) None
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3) For a reaction, 2A + B -> Products, the active mass of B is kept constant and that of A is doubled. The rate of reaction will then (1) increase two times (2) increase four times (3) decrease two times (4) decrease four times
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4) The rate of reaction Cl3C.CHO+NO -> CHCl3 + NO + CO is give by equation Rate =k [Cl3.CCHO] [NO]. If concentration is expressed in moles/litre the units of K are (1) litre2 mol-2 sec-1 (2) mole litre-1 sec-1 (3) litre mole-1 sec-1 (4) sec-1.
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5) The rate constant for a first order reaction whose half-life is 480 sec is (1) 2.88Ã-10-3 sec-1 (2) 1.44Ã-10-3 sec-1 (3) 1.44Ã-sec-1 (4) 0.72Ã-10-3 sec-1
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