State any one condition under which a bimolecular reaction may be kinetically of first order.
If one of the two reactants is present in excess. In above condition bimolecular reaction may be kinetically first order.
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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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Define activation energy of a reaction.
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A order of reaction is found to be zero. Will its molecularity be zero?
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In some cases it is found that a large number of colliding molecules have energy more than threshold value, yet the reaction is slow. Why?
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The rate constant of a reaction is 3 x 102 h–1. What is the order of reaction?
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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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How is half period related to initial concentration for a second order reaction?
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Why is instantaneous rate preferred over average rate of reaction?
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A spontaneous reaction is not necessarily a fast reaction. Why?
