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For the reaction A+2B\rightarrow C, rate is given by R=\left [ A \right ]\left [ B \right ]^{2}  then the order of the reaction is

  • Option 1)

    3

  • Option 2)

    6

  • Option 3)

    5

  • Option 4)

    7

 

Answers (1)

best_answer

As we learnt in

Order of a Reaction -

The order of a reaction is determined as the sum of the powers of the concentration terms that appear in the experimental rate equation. It is an experimental quantity.

- wherein

Formula: aA+bB\rightarrow cC+dD

               r=K[A]^{a}[B]^{b}

              order=(a+b)

  \therefore     Order has relation with stoichiometry & is determined experimentally. It can be zero/fraction/negative/positive

 

 for reaction A+2B\rightarrow C

Rate = k\left [ A \right ]\left [ B \right ]^{2}}

order =1+2=3


Option 1)

3

Correct option

Option 2)

6

Incorrect option

Option 3)

5

Incorrect option

Option 4)

7

Incorrect option

Posted by

Plabita

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