Rate law for the reaction $A + B \to P r o d u c t$ is, $r a t e = k [A]^{2} [B]$ . What is the rate constant, if rate of the reaction at a given temperature is $0.22 M s^{- 1}$ , when $[A] = 1 M$ and $[B] = 0.25 M$ .

3.52 M^{- 1} s^{- 1}

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0.88 M^{- 2} s^{- 1}

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1.136 M^{- 2} s^{- 1}

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0.05 M^{- 2} s^{- 1}

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Solution

The correct option is B $0.88 M^{- 2} s^{- 1}$

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Similar questions

Q. Rate law for the reaction,

A + B ⟶

product is rate

= k {[A]}^{2} [B]

. What is the rate constant; if rate of reaction at a given temperature is

0.22 M s^{- 1}

, when

[A] = 1 M

and

[B] = 0.25 M

For the reaction, $2 A + B \to A_{2} B$ the rate $= k [A] [B]^{2}$ with $k = 2.0 \times 10^{- 6} m o l^{- 2} L^{- 2} s^{- 1}$ . Calculate the initial rate of reaction when $[A] = 0.1 m o l L^{- 1}, [B] = 0.2 m o l L^{- 1}$ . Calculate the rate of reaction after [A] is reduced to $0.06 m o l L^{- 1}$ .