For a reaction : 2{NH}₃({g}) {{Pt}} ...

CBSE Class 12 Chemistry 2016 Delhi Set 1 Solved Paper

Question : 9 of 26

Marks: +1, -0

For a reaction :

2\mathrm{NH}_3(\mathrm{g}) \xrightarrow{\mathrm{Pt}} \mathrm{N}_2(\mathrm{g})+3\mathrm{H}_2(\mathrm{g})

; Rate

=k

;

(i) Write the order and molecularity of this reaction.

(ii) Write the unit of

k

Solution:

(i) Order - Zero, Molecularity - Two

(ii) Units of

k-\mathrm{mol}\,\mathrm{L}^{-1}\,\mathrm{s}^{-1}

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