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Order of Reaction

The rate cons...

Question

The rate constant $(K)$ for the reaction $2 A + B \to$ product, was found to be $2.5 \times 10^{- 5}$ $l i t r e m o l^{- 1} s e c^{- 1}$ after $15 s e c$ , $2.60 \times 10^{- 5} l i t m o l^{- 1} s e c^{- 1}$ after $30 s e c$ and $2.55 \times 10^{- 5}$ $l i t m o l^{- 1} s e c^{- 1}$ after $50 s e c$ . The order of reaction is:

A

2

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B

3

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C

Zero

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D

1

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Solution

The correct option is C $2$
Rate constant SI units for second order, is $L m o l^{- 1} s e c .$

the unit of rate constant indicates its second order reaction.

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Similar questions

Q. The rate constant (K) for the reaction,

2 A + B \to

Product was found to be

2.5 \times 10^{- 5}

m o l^{- 1} s e c^{- 1}

2.60 \times 10^{- 5} l i t r e m o l^{- 1} s e c^{- 1}

after 30 sec and

2.55 \times 10^{- 5} l i t r e m o l^{- 1} s e c^{- 1}

after 50 sec. The order of reaction is:

Q. The rate constant of the reaction :

2 A + B \to C

2.57 \times 10^{- 5}

l t . m o l^{- 1}

s e c^{- 1}

2.65 \times 10^{- 5}

l t . m o l^{- 1} s e c^{- 1}

after 20 sec and

2.55 \times 10^{- 5}

l t . m o l^{- 1} s e c^{- 1}

after 30 sec. The order of the reaction is :

Q. The rate constant

(k)

for the reaction

2 A + B \to

product, was found to be

2.5 \times 10^{- 5}

{m o l}^{- 1} {s e c}^{- 1}

15

2.60 \times 10^{- 5}

{m o l}^{- 1} {s e c}^{- 1}

30

2.55 \times 10^{- 5}

{m o l}^{- 1} {s e c}^{- 1}

50

The order of the reaction is:

Q. The rate constant

(K)

for the reaction,

2 A + B \to

Product was found to be

2.5 \times 10^{- 5}

{m o l}^{- 1} {s e c}^{- 1}

15

2.60 \times 10^{- 5}

{m o l}^{- 1} {s e c}^{- 1}

30

2.55 \times 10^{- 5}

{m o l}^{- 1} {s e c}^{- 1}

50

sec.
The order of reaction is:

Q. :he rate constant of reaction

2 A + B ⟶ C

2.57 \times 10^{- 5}

{m o l e}^{- 1} {s e c}^{- 1}

2.65 \times 10^{- 5}

{m o l e}^{- 1} {s e c}^{- 1}

after 20 sec. and

2.55 \times 10^{- 5}

{m o l e}^{- 1} {s e c}^{- 1}

after 30 sec. The order of the reaction is:

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