Question

Which of the following reaction cannot occur?

তলৰ ককানট া ৰবক্ৰক্ৰয়া হব কনাৱাটৰ?

a) 2AgNO3(aq)+Fe(s)→ Fe(NO3)2(aq)+2Ag(s)

b) CuSO4(aq)+Zn(s)→ ZnSO4(aq)+Cu(s)

c) CuSO4(aq)+2Ag(s)→ Ag2SO4(aq)+2Cu(s)

d) 2AgNO3(aq)+Zn(s)898→ Zn(NO3)2(aq)+2Ag​

Answer 1

Answer:

CuSO 4

(aq .

)+2Ag(s)⟶Cu(s)+Ag 2

SO 4

(aq)

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Answer 2

Answer:

c) CuSO4+2Ag ➡️ Ag2SO4+2CU

this can't happen

Explanation:

Since, copper is more reactive than silver, silver can not replace copper.

hence this reaction can not happen

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