Review Topics Use the References to access important values if needed for this q

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Review Topics Use the References to access important values if needed for this question Consider the following half-reactions: Half-reaction E° (V) 0.855V Hg2 (ag)+ 2Hg 2+ APTaq) +3e-?Al(s) ||-1.660V (1) The strongest oxidizing agent is: enter formula eq (2) The weakest oxidizing agent is: (3) The weakest reducing agent is: req (4) The strongest reducing agent is 2req (5) Will Hg2 (aq) oxidize AI(s) to Al (a)? 2roq (6) Which species can be oxidized by Ph2 (aq)? If none, leave box blank Submit Answer Retry Entire Group 9 more group attempts remaining

Explanation / Answer

The stronger the oxidizing agent is the one which has more voltage of its redox half-reaction. Here the E of Hg2+ is 0.855 so it is strongest oxidising agent.

Similarly the weakest oxidising agent is Al3+ because it has the least value of E.

Those which have more value of voltage is the weakest reducing agent. So Hg2+ is weakest reducing agent.

Similarly Al3+ is strongest reducing agent as it has least value of voltage(E).

Yes, Hg2+ oxidised Al3+ by reducing itself because it is the strongest oxidising agent.

Al3+ is oxidised by Pb2+ because it has more E value compare to Al3+.

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