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CBSE Class 12 Chemistry 2016 Outside Delhi Set 1 Solved Paper

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Question : 9 of 26
Marks: +1, -0
For a reaction: H2+Cl2→hv2HCl\mathrm{H}_2+\mathrm{Cl}_2 \xrightarrow{h v}2 \mathrm{HCl}
Rate =k=k
(i) Write the order and molecularity of this reaction,
(ii) Write the unit of kk.
Solution:  
(i) Zero order reaction, Molecularity is 2 / bimolecular reaction.
(ii) molL−1s−1\mathrm{mol} \mathrm{L}^{-1} \mathrm{s}^{-1}.
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