Monthly archives: December, 2017

CHEMICAL KINETICS – 3

1) In which of the following is platinum is not used as a catalyst? a) b) c) Oxidation of NH3 to NO d) 2) Which of the following is an example of autocatalysis? a) b) Oxidation of oxalic acid with KmnO4 in acid medium c) d) Hydrogenation of vegetable oils using Ni catalyst 3) In …

CHEMICAL KINETICS – 2

1) -d [H2O2]/dt represents the a) b) c) Order of reaction d) None 2) The rate of chemical reaction depends on the nature of chemical reaction because a) The threshold energy level differs from one reaction to another b) Some of the reactants are solid at room temp. c) Some of the reactants are coloured …

CHEMICAL KINETICS – 1

1) For a zero-order reaction the rate constant is expressed in a) s-1 b) mol L-1s-1 c) mol-1L-1s-1 d) mol-1Ls-1 2) The rate of a multistep reaction is determined by the a) rate of the fastest reaction b) rate of the slowest reaction c) the average rates of all the steps d) the sum of …