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Free Online Mock Chemistry Multiple Choice Test on Chemical Kinetics
Sub Category : Chemical Kinetics Test : 15 Time Left :
1) Which of the following statements is incorrect?(1) A plot of log Kp versus 1/T is linear (2) A plot of log [X] versus time is linear at constant volume reaction X -> P (3) A plot of log P versus 1/T is linear at constant volume (4) A plot of P versus 1/V is linear at constant temperature
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2)A catalyst increases rate of reaction by
(1) decreasing enthalpy (2) decreasing internal energy (3) decreasing activation energy (4) increasing activation energy
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3) The rate constant for the reaction, 2N2O5-> 4NO2 + O2, is 3.0 x 10power-5 secpower-1.If the rate is 2.40 x 10power-5 mol litrepower-1 secpower-1, then the concentration of N2O5 (in mol litrepower-1) is(1) 1.4 (2) 1.2 (3) 0.04 (4)0.8
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4) For a first order reaction, to obtain a positive slope, we need to plot [A] in the concentration of reactant AB(1) log10[A] vs t (2) -loge [A] vs t (3) log10[A] vs log t (4) [A] vs t
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5)Given t1/2 = 3 hr. Then how many gram of a substance will remain after 18th hr from 300 gram of a substance
(1) 4.6 gm (2) 5.6 gm (3) 9.2 gm (4) 6.4gm
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