Determine the value of the rate constant with its correct units. Enter your answer in scientific notation:The numerical value of k =x 10The unit of k:L-mol·sO L-mol1.s1L-mol 2.s-1L-mol-2.s-2 The reaction of iodide ion with hypochlorite ion, OCI" (the active ingredient in a "chlorine bleach" such as Clorox), is described in the following equationocr + I - Or + CI"It is a rapid reaction that gives the following rate data:Initial Concentrations (mol L-1) Rate of Formation of C[OCI-](mol L-'s-)1.6 x 10-37.6 x 10-31.6 x 10-31.6 x 10-31.75 x 1048.31 x 1041.6 x 10-39.6 x 10-31.05 x 105What is the rate law for the reaction?rate =rate =rate =rate = k[OC1 ][I]

Answered: Determine the value of the rate…

Chemistry

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ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

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Chapter1: Chemical Foundations

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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Determine the value of the rate constant with its correct units. Enter your answer in scientific notation:
The numerical value of k =
x 10
The unit of k:
L-mol·s
O L-mol1.s1
L-mol 2.s-1
L-mol-2.s-2

The reaction of iodide ion with hypochlorite ion, OCI" (the active ingredient in a "chlorine bleach" such as Clorox), is described in the following equation
ocr + I - Or + CI"
It is a rapid reaction that gives the following rate data:
Initial Concentrations (mol L-1) Rate of Formation of C
[OCI-]
(mol L-'s-)
1.6 x 10-3
7.6 x 10-3
1.6 x 10-3
1.6 x 10-3
1.75 x 104
8.31 x 104
1.6 x 10-3
9.6 x 10-3
1.05 x 105
What is the rate law for the reaction?
rate =
rate =
rate =
rate = k[OC1 ][I]

Expert Solution

Step 1

Determination of order of reaction:

Rate law:

Let rate , r = k[OCl^-]^a .[I^-]^b

r₁ = k (1.6 x 10^-3)^a x (1.6 x 10^-3)^b ------------------(i)

r₂ = k (7.6 x 10^-3)^a x (1.6 x 10^-3)^b -----------------(ii)

r₃ = k (1.6 x 10^-3)^a x (9.6 x 10^-3)^b ---------------(iii)

By dividing equations (ii) and (i)

$\frac{r_{2}}{r_{1}} = \frac{k {(7.6 x 10^{- 3})}^{a} . {(1.6 x 10^{- 3})}^{b}}{k {(1.6 x 10^{- 3})}^{a} . {(1.6 x 10^{- 3})}^{b}}$

$\frac{8.31 x 10^{4}}{1.75 x 10^{4}}$ = $\frac{{(7.6 x 10^{- 3})}^{a}}{{(1.6 x 10^{- 3})}^{a}}$

4.75 = (4.75)^a

a = 1

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Determine the value of the rate constant with its correct units. Enter your answer in scientific notation: The numerical value of k = x 10 The unit of k: L-mol·s O L-mol-1.s1 O L-mol-2.s1 L-mol-2.s-2