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in Chemistry by (122k points)
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The rate of a reaction is expressed in the units
A. L `"mol"^(-1)t^(-1)`
B. mol `dm^(-3)t_(-1)`
C. Ms
D. `M^(-1)s^(-1)`

2 Answers

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Best answer

Correct option is: (B) \(mol \ dm^{-3} \ t^{-1}\)

Rate of reaction (r) = \(\frac {Change\, in\, concentration}{time}\)

Therefore, 

Initial rate of reaction = \(\frac {M}{S}\)

or \(\frac {mol}{\frac {dm^3}{s}} = mol\, dm^{-3}s^{-1}\)

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by (121k points)
Correct Answer - A::B::C::D

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