For the reaction: C₂H₄Br₂ + 3 KI → C₂H₄ + 2 KBr + KI₃, when the rate of reaction is 2.0 × 10^-5, what is the rate of disappearance of KI?

Name: For the reaction: C 2 H 4 Br 2 + 3 KI → C 2 H 4 + 2 KBr + KI 3 , when the rate of reaction is 2.0 × 10 -5 , what is the rate of disappearance of KI?
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Question

Quizplus · Accepted Answer

The rate of disappearance of KI is three times the rate of the reaction because 3 moles of KI are consumed for every mole of C2H4Br2. Therefore, the rate is 3 × 2.0 × 10^-5 = 6.0 × 10^-5.

For the Reaction: C2H4Br2 + 3 KI → C2H4

For the Reaction: C₂H₄Br₂ + 3 KI → C₂H₄