The three elementary reactions below occur in aqueous acidic solution
CHEMISTRY · Single correct · A Level · Chemistry · Introduction to organic chemistry · Introduction to organic chemistry
Problem
The three elementary reactions below occur in aqueous acidic solution.
Step 1 H2O2 + I− → HOI + OH−
Step 2 HOI + H+ + I− → I2 + H2O
Step 3 H+ + OH− → H2O
Which of the following is the overall balanced chemical equation implied by this mechanism?
(a) H2O2 + I− + H+ \rightarrow I2 + H2O
(b) H2O2 + 2 I− \rightarrow I2 + 2 OH−
(c) H2O2 + 2 I− + 2 H+ \rightarrow I2 + 2 H2O
(d) 2 H2O2 + 2 I− \rightarrow I2 + 2 H2O + O2
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