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For the given reaction, 
\mathrm{2A+3B+C\rightarrow } products
Order of reaction with respect to A, B and C are 3, 1 and 0 respectively. What will be the rate law of the given reaction?

 

Option: 1

\mathrm{R}=\mathrm{K}[A]^2[\mathrm{~B}]^3[\mathrm{C}] \\


Option: 2

\mathrm{ \mathrm{R}=\mathrm{K}[A]^2[\mathrm{~B}]^3 \\ }


Option: 3

\mathrm{\mathrm{R}=\mathrm{K}[\mathrm{A}]^3[\mathrm{~B}]^1[\mathrm{C}]^0 \\ }


Option: 4

\mathrm{ \mathrm{R}=\mathrm{K}[A][\mathrm{A}]^2[\mathrm{C}]^3 }


Answers (1)

best_answer

Order of a reaction:
For a given reaction:
\mathrm{a A+b B+c C \rightarrow \text { Products } }
If,
Rate \mathrm{\propto[A]^p[B]^q[C]^r}
Overall order of the reaction is :
(p+q+r)
where,
\mathrm{\mathrm{p}} : order of reaction with respect to \mathrm{\mathrm{A}}
\mathrm{\mathrm{q}} : order of reaction with respect to \mathrm{\mathrm{B}}
\mathrm{\mathrm{r}} : order of reaction with respect to \mathrm{\mathrm{C}}
For,

\mathrm{2 A+3 B+C \rightarrow \text { products }}

Order of reeaction with respect to \mathrm{ A} is 3

Order of reeaction with respect to \mathrm{ B}  is 1

Order of reaction with respect to \mathrm{ C}  is 0
Hence, the rate law of the reaction is  \mathrm{ R=K[A]^3[B]^1[C]^0}
Also, Order of reaction is =4.

Posted by

Divya Prakash Singh

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