Question

Who give me correct answer. i will give him as a brilant...​

Answer 1

Explanation:

(1) Sodium, potassium, chloride, calcium, magnesium, and phosphate are examples of electrolytes.

(2) In the electrolytic refining of impure copper metal, anode is the electrode at which oxidation takes place and cathode is the electrode at which reduction takes place. Hence, at anode, a thick block of impure copper metal is used from which pure metal oxidises to copper ion in the solution

(3) The reaction at the anode is oxidation and that at the cathode is reduction. Here, the anode is positive and cathode is the negative electrode. The reaction at the anode is oxidation and that at the cathode is reduction. The electrons are supplied by the species getting oxidized.

(4) sorry for the fourth one

Answer 2

1)copper sulphate

2)copper

3)Cu-2e- -> Cu2+

Cu2+ +2e-->Cu

4)CuSO4->Cu2+SO42-

H2O->H+OH-

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