In hypothetical reaction, `A_(2)+B_(2)rarr2AB`, follows the follows the mechnism as given below : `{:(A_(2)hArrA+A,("fast reaction")),(A+B_(2)rarrAB+B

Question

In hypothetical reaction, `A_(2)+B_(2)rarr2AB`, follows the follows the mechnism as given below : `{:(A_(2)hArrA+A,("fast reaction")),(A+B_(2)rarrAB+B

In hypothetical reaction, `A_(2)+B_(2)rarr2AB`, follows the follows the mechnism as given below :
`{:(A_(2)hArrA+A,("fast reaction")),(A+B_(2)rarrAB+B,("slow reaction")),(A+BrarrAB,("fast reaction")):}`
Give the rate law and order of reaction

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Slowest step is rate eleminated.
`K_(c)=([A][A])/([A_(2)])=([A]^(2))/([A_(2)])`
`[A]=K_(c)^(1//2)[A_(2)]^(1//2)`
From eq. (i), Rate `=kK_(c)^(1//2)[A_(2)]^(1//2)[B_(2)]`
`=K[A_(2)]^(1//2)=[B_(2)],[K=*K_(c)^(1//2)]`
Order =1+1/2=3/2

4 views Answered 2023-02-05 15:29