Luigi253
Answered

At Westonci.ca, we connect you with experts who provide detailed answers to your most pressing questions. Start exploring now! Get quick and reliable answers to your questions from a dedicated community of professionals on our platform. Get quick and reliable solutions to your questions from a community of experienced experts on our platform.

Which half-reaction correctly represents reduction?
(1) Mn4+ ==> Mn3+ + e-
(2) Mn4+ ==>Mn7+ + 3e-
(3) Mn4+ + e- ==>Mn3+
(4) Mn4+ + 3e- ==> Mn7+

Sagot :

lulu1991
The answer is (3) Mn4+ + e- ==> Mn3+. In the reduction reaction, the element can gain electrons and the valence of this element will decrease. Oxidation is opposite to the reduction.
We hope our answers were useful. Return anytime for more information and answers to any other questions you have. We appreciate your time. Please revisit us for more reliable answers to any questions you may have. We're here to help at Westonci.ca. Keep visiting for the best answers to your questions.