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The rate of formation of SO(3) in the fo...

The rate of formation of `SO_(3)` in the following reaction: `2SO_(2) + O_(2) rarr 2SO_(3)` is `10 g sec^(-1)`. The rate of disappearance of `O_(2)` will be

A

`5 g sec^(-1)`

B

`100g sec^(-1)`

C

`20 g sec`

D

`2 g sec^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
D
`2SO_(2) + O_(2) rarr 2SO_(3)`
`r_(SO_(3))=10 g//sec =10/80 "mol"//sec`
Also, `r_(O_(2))/1=r_(So_(3))/2 implies r_(O_(2))=10/80 xx1/2 "mol"//sec`
`=(10/160)xx32 g//sec=2 g//sec`
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Knowledge Check

  • For the reaction: aA + bB rarr cC+dD Rate = (dx)/(dt) = (-1)/(a)(d[A])/(dt) = (-1)/(b)(d[B])/(dt) = (1)/( c)(d[C])/(dt) = (1)/(d)(d[D])/(dt) The rate of formation of SO_(3) in the following reaction 2SO_(2) + O_(2) rarr 2SO_(3) is 100 g min^(-1) . Hence the rate of disappearance of O_(2) is

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  • The rate of formation of SO_(3) in the reaction 2SO_(2)+O_(2) rarr 2SO_(3) is 100 g "min"^(-1) Hence rate of disappearance of O_(2) is

    A
    50 g `"min"^(-1)`
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  • Average rate of reaction for the following reaction, 2SO_(2)(g)+O_(2)(g)rarr2SO_(3)(g) is written as

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