Chlorine reacts with hydrogen sulfide in aqueous solution Cl2 (aq) + H2S(aq)→ S(s) + 2 H* (aq) + 2 Cl¯(aq) in a second-order reaction that follows the rate expression rate = k[Cl, ][H2S] %3D Which, if any, of the following mechanisms are consistent with the observed rate expression? (a) Cl2 + H2S →H* + Cl¯ + CI* + HS¯ CI* + HS¯ → H* + Cl¯ + S (b) H2S HS + H* HS + Cl2 → 2 CI¯ + S + H* (c) H2S HS¯ + H* H* + C122H* + Cl¯ + Cl* CI* + HS¯ →H* + Cl¯ + S (slow) (fast) (fast equilibrium) (slow) (fast equilibrium) (fast equilibrium) (slow)

Chlorine reacts with hydrogen sulfide in aqueous solution Cl2 (aq) + H2S(aq)→ S(s) + 2 H* (aq) + 2 Cl¯(aq) in a second-order reaction that follows the rate expression rate = k[Cl, ][H2S] %3D Which, if any, of the following mechanisms are consistent with the observed rate expression? (a) Cl2 + H2S →H* + Cl¯ + CI* + HS¯ CI* + HS¯ → H* + Cl¯ + S (b) H2S HS + H* HS + Cl2 → 2 CI¯ + S + H* (c) H2S HS¯ + H* H* + C122H* + Cl¯ + Cl* CI* + HS¯ →H* + Cl¯ + S (slow) (fast) (fast equilibrium) (slow) (fast equilibrium) (fast equilibrium) (slow)

Chemistry

10th Edition

ISBN:9781305957404

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

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

Chapter1: Chemical Foundations

Section: Chapter Questions

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

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Question

Chlorine reacts with hydrogen sulfide in aqueous solution
Cl2 (aq) + H2S(aq)→ S(s) + 2 H* (aq) + 2 Cl¯(aq)
in a second-order reaction that follows the rate expression
rate = k[Cl, ][H2S]
%3D
Which, if any, of the following mechanisms are consistent
with the observed rate expression?
(a) Cl2 + H2S →H* + Cl¯ + CI* + HS¯
CI* + HS¯ → H* + Cl¯ + S
(b) H2S HS + H*
HS + Cl2 → 2 CI¯ + S + H*
(c) H2S HS¯ + H*
H* + C122H* + Cl¯ + Cl*
CI* + HS¯ →H* + Cl¯ + S
(slow)
(fast)
(fast equilibrium)
(slow)
(fast equilibrium)
(fast equilibrium)
(slow)

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