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Order 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 $k$ .(Delhi 2016)

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Solution

Order of the Reaction is Zero
Molecularity of the Reaction is Two

Unit of k is $m o l L^{- 1} t^{- 1}$

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