Question

From the Standard Potential Table in your general chemistry textbook:

Half-reactions are written as _________ reactions with charge and mass balanced.

Among the ions, Cd2+Pb2+ & Ca2+ ,__________ has the greatest ability to reduce to its neutral metal.
(Use ^ for superscripting)

Among the neutral metals; Pb, Ca & Cd, ____________ has the least ability to oxidize to the +2 ion.
(No special characters are need for subscripting)

Answer 1

The reactions are written as reductions reactions.
For questions 2 and 3, look up the reductin potentials in your text. The ions with the largest negative potential are the hardest to reduce.

Answer 2

I think half reactions are redox
and Pb has the greatest ability to reduce its neutral metal

Answer 3

first answer isnt redox, second one isnt calcium, third is for sure pb.

this is difficult because it doesnt match up to reading, webworks are starting to get unreasonable.

Answer 4

1. reduction

2. Pb^2+

3. Pb

Answer 5

1. reduction
2. Pb^2+
3. Pb

Answer 6

UCI girl is right

Answer 7

uci girl is right