Question

Pls answer....If do not know ... do not give usless answers .... pls pls pls

Answer 1

Answer:

Explanation:

we have Zn²⁺ / Zn =  -0.76 V

THE VALUE IS NEGATIVE SO IMAGINE THAT Zn⁺² DONT LOVE TO CHANGE INTO Zn

K ⁺ / K = -2.9 V

HERE ALSO VALUE IS NEGATIVE SO K+ ALSO DONT LIKE TO CHANGE INTO K . BUT THE NEGATIVE VALUE IS LARGE THAN Zn2+ / Zn . SO K+ HATES MORE TO GAIN AN ELECTRON THAN Zn 2+

BUT Cu2+ / Cu = 0.34 V

THE VALUE IS POSITIVE SO Cu 2+ LOVE TO GET AN ELECTRON AND BECOME Cu

CONSIDERING THIS WE CAN ANSWER THE QUESTION

STRONG REDUCING AGENT MEANS ONE WHICH CAN EASILY DONATE ELECTRONS

IF WE LOOK AT K+/K = -2.9 V

THEN K/K+ = +2.9 V ....THE VALUE IS POSITIVE SO K LOVE TO DONATE AN ELECTRON AND BECOME K+

FOR Zn2+/Zn = -0.76

THEN Zn / Zn 2+ = +0.76 THE VALUE IS POSITIVE WHICH MEANS Zn LOVE TO DONATE ELECTRON AND BECOME Zn2+

Cu2+/Cu = +0.34V

Cu / Cu 2+ = -0.34V...VALUE IS NEGATIVE SO Cu HATES TO DONATE AN ELECTRON AND BECOME Cu 2+

SO BOTH K AND Zn LOVE TO DONATE ELECTRON AND HENCE ARE REDUCING AGENTS

BUT POSITIVE VALUE OF K IS MORE THAN Zn

THEREFORE K IS THE STRONGEST REDUCING AGENT