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Chemical Kinetics

Short Answer Type

61. The reaction 2H₂(g) + O₂(g) --> 2H₂O(g) is feasible. How is that hydrogen and oxygen mixture allowed to stand at room temperature shows no formation of water at all?

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62. For reaction NO₂ + CO → CO₂ + NO, the rate law is Rate = k[NO₂]². How many molecules of CO are involved in slowest process?

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63. State any one condition under which a bimolecular reaction may be kinetically of first order.

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64. Why is instantaneous rate preferred over average rate of reaction?

The rate of reaction at any time depends upon one of the reactants at that time which is not constant but goes on decreasing with time continuously. Therefore, instantaneously rate gives more correct information at that time as compared to average rate.

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