Luigi253 Luigi253

03-06-2015
Chemistry

Answered

Which half-reaction correctly represents reduction?

(1) Mn4+ ==> Mn3+ + e-

(2) Mn4+ ==>Mn7+ + 3e-

(3) Mn4+ + e- ==>Mn3+

(4) Mn4+ + 3e- ==> Mn7+

Verified Answer :

lulu1991 lulu1991

03-06-2015

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.

Answer Link

Related Questions

One way that campaign workers communicate information during a campaign is by: A. making speeches. B. canvassing a neighborhood. C. donating money. D. vol

Which was not an issue of importance to the neoconservatives who supported reagan

How do Farquhar and his wife greet the weary soldier

Which subatomic particles are located in the nucleus of a carbon atom 1 protons only 2 neutrons only 3 protons and neutrons 4 protons and electrons

Which president never had a Vice President

which point lies on the graph of the boundary line of the inequality 3y 4xlt 12

Please help Thank you The measure of one angle is thirteen less than five times the measure of another angle The sum of the measures of the two angles is 140 de

Expository essays should be to other points of view dismissive fair supportive derogatory

It is 300 pm here and Australia is 13 hours ahead of us What time is it in Australia 200 am 300 pm 400 am 500 am

Substiution method y 9 15x and 45 3y 15x Please show work thank you very much

Web Analytics