The rate constant (k) for the reaction: 2 A+B longrightarrow Product, was found to be 2.5 × 10-5 litre mol -1 s -1 after 15 s, 2.60 × 10-5 L mol -1 s -1 after 30 s and 2.55 × 10-5 L mol -1 s -1 after 50 s. The order of reaction is

Question

The rate constant (k) for the reaction: 2 A+B longrightarrow Product, was found to be 2.5 × 10-5 litre mol -1 s -1 after 15 s, 2.60 × 10-5 L mol -1 s -1 after 30 s and 2.55 × 10-5 L mol -1 s -1 after 50 s. The order of reaction is (A) 2 (B) 3 (C) zero (D) 1

Tardigrade Admin · Accepted Answer

Unit of k suggests it is to be of second order

Q. The rate constant $(k)$ for the reaction: $2 A + B ⟶$ Product, was found to be $2.5 \times 1 0^{- 5}$ litre $m o l^{- 1} s^{- 1}$ after $15 s$ , $2.60 \times 1 0^{- 5} L m o l^{- 1} s^{- 1}$ after $30 s$ and $2.55 \times 1 0^{- 5} L m o l^{- 1} s^{- 1}$ after $50 s$ . The order of reaction is

2

3

zero

1

Unit of $k$ suggests it is to be of second order

Q. The rate constant (k) for the reaction: 2A+B⟶ Product, was found to be 2.5×10−5 litre mol−1s−1 after 15s, 2.60×10−5Lmol−1s−1 after 30s and 2.55×10−5Lmol−1s−1 after 50s. The order of reaction is

2

3

zero

1

Unit of k suggests it is to be of second order

Q. The rate constant $(k)$ for the reaction: $2 A + B ⟶$ Product, was found to be $2.5 \times 1 0^{- 5}$ litre $m o l^{- 1} s^{- 1}$ after $15 s$ , $2.60 \times 1 0^{- 5} L m o l^{- 1} s^{- 1}$ after $30 s$ and $2.55 \times 1 0^{- 5} L m o l^{- 1} s^{- 1}$ after $50 s$ . The order of reaction is

Unit of $k$ suggests it is to be of second order