Question

Which of the following reactions not occur?

2AgNO3 (aq) + Zn(s)     gives    Zn(NO3)2 (aq) + 2Ag(s)

CuSO4(aq) + Zn (s)     gives    ZnSO4(aq) + Cu (s)  

2AgNO3(aq) + Fe (s)       gives     Fe (NO3)2(aq) + 2Ag (s)

CuSO4(aq) + 2Ag(s)      gives     Ag2SO4(aq)  +  Cu(s)


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Answer 1

Answer:

2 one

Explanation:

.................

Answer 2

Answer:

4th reaction

Explanation:

cu is more reactive than ag

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