Caitheriputer Caitheriputer

30-05-2016
Chemistry

Answered

Given the balanced ionic equation representing a reaction:

2A1(s) + 3Cu2+(aq) ==>2A13+(aq) + 3Cu(s)

Which half-reaction represents the reduction that occurs?(I ) Al ==> Al3+ + 3e-

(2) Al3+ + 3e- ==>Al

(3) Cu ==> Cu2+ + 2e-

(4) Cu2+ + 2e- ==>Cu

Verified Answer :

isaackz97 isaackz97

03-06-2016

the answer should be (4)

View image isaackz97

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