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Question
The first order reactions having molecularity greater than one are called ______ reactions.
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Solution
The first order reactions having molecularity greater than one are called pseudo-unimolecular reactions.
Explanation:
In pseudo-unimolecular reactions, more than one reactant is involved (molecularity > 1), but the reaction appears to be first-order because one reactant is present in large excess. The concentration of the excess reactant remains nearly constant, so the rate depends only on the concentration of the limiting reactant
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