Hydrazine has been employed as a reducing agent for metals. Using standard reduction potentials, predict whether the

Question:

Hydrazine has been employed as a reducing agent for metals. Using standard reduction potentials, predict whether the following metals can be reduced to the metallic state by hydrazine under standard conditions in acidic solution:
(a) Fe2+
(b) Sn2+
(c) Cu2+
(d) Ag+
(e) Cr3+
(f) Co3+.