For the Reaction S₂O₈^2-(aq)+ 3I^-(aq) $\rightarrow$ 2SO₄2^-(aq)+ I₃^-(aq),rate = K[S₂O₈2^-][I^-]

question 57

Multiple Choice

For the reaction S₂O₈^2-(aq) + 3I^-(aq) $\rightarrow$ 2SO₄2^-(aq) + I₃^-(aq) ,rate = k[S₂O₈2^-][I^-].When the reaction is followed under pseudo-first-order conditions with [S₂O₈2^-] = 200 m M and [I^-] = 1.5 m M,the rate constant was 1.82 s^-1.The second order rate constant,k,for the reaction is

• A)1.21 * 10³ M^-1.s^-1.
• B)6.07 * 10³ M^-1.s^-1.
• C)9.10 M^-1.s^-1.
• D)1.37 * 10^-2 M^-1.s^-1.
• E)1.82 M^-1.s^-1.

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