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Molecularity of Reaction

For a reactio...

Question

For a reaction:

$2 N H_{3} (g) P t \to N_{2} (g) + 3 H_{2} (g)$

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

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Solution

(i) Order of the reaction = Zero
Molecularity of the reaction = two

(ii) Unit of $k = m o l L^{- 1} s^{- 1}$

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