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Free Online Mock Chemistry Multiple Choice Test on Chemical Kinetics
Sub Category : Chemical Kinetics Test : 4 Time Left :
1) For a chemical reaction, A to products, the rate of reaction doubles when the concentration of A is increased by 4 times. The order of reaction is(1) 4 (2) 0 (3) 1/2 (4) 1
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2) For a hypothetical reaction A + B to products, the rate law is, R = k[B] [A]0, the order of reaction is:(1) 0 (2) 1 (3) 2 (4) 3
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3) A hypothetical reaction A2 + B2 to 2AB follows the mechanism as given below A2 to A + A (fast)A + B2 to AB + B (slow) A + B to AB (fast) The order of the overall reaction is(1) 2 (2) 1 (3) 1 (4) 0.
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4) The slowest step of a particular reaction is found to be ½ X2 + Y2 to XY2The order of the reaction is(1) 2 (2) 3 (3) 3.5 (4) 1.5
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5) For a hypothetical chemical reaction A to I, it is found that the reaction is third order in A. What happens to the rate of reaction when the concentration of A is doubled?(1) rate increases by a fraction of 2 (2) rate decreased by a factor of 3 (3) rate increases unaffected (4) rate remains unaffected
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