Single Answer MCQ
Q-00019203
Which equation represents an oxidation-reduction reaction?
1
Fe + S → FeS
2
Cu + 2AgNO3 → 2Ag + Cu(NO3)2
3
H2 + Cl2 → 2HCl
4
NaOH + HCl → NaCl + H2O
Answer and Solution
Answer
B. Cu + 2AgNO3 → 2Ag + Cu(NO3)2
Solution:
The reaction Cu + 2AgNO3 → 2Ag + Cu(NO3)2 is a redox reaction where copper is oxidized and silver ions are reduced, showcasing the transfer of electrons.
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