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Consider the reaction, Cl2(aq) + H2S(a...

Consider the reaction,
`Cl_2(aq) + H_2S(aq) rarr S(s) + 2H^+(aq) + 2Cl^-(aq)`
The rate equation for this reaction is, rate = `k[Cl_2][H_2S]`
Which of these mechanisms is/are consistent with this rate equation?
(A) `Cl_2 + H_2S rarr H^+ Cl^- + Cl^+ + HS^-` (slow)
`Cl^+ + HS^- rarr H^+ + Cl^- +S` (fast)
(B) `H_2S iff H^+ + HS^-` (fast equilibrium)
`Cl_2 + HS^- rarr 2Cl^- + H^+ +S` (slow)

A

B only

B

Both (A) and (B)

C

Neither (A) nor (B)

D

(A) only

Text Solution

Verified by Experts

The correct Answer is:
D
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