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Chemical Kinetics

Question

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For a reaction: $straight H subscript 2 space plus Cl subscript 2 space rightwards arrow with hv on top space 2 HCl$

rate =k

i) Write the order and molecularity of this reaction.
ii) Write the unit of k.

Solution

(i) Zero-order reaction, Molecularity is 2. It is a bimolecular reaction.

(ii) The units of k is mol L^-1 s^-1

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