Which of the following is a redox reaction? Options: A . &nbspNaCl + KNO3 → NaNO3 + KCl B . &nbspCaC2O4 + 2HCl → CaCl2 + H2C2O4 C . &nbspMg(OH)2 + 2NH4Cl → MgCl2 + 2NH4OH D . &nbspZn + 2AgCN → 2Ag + Zn (CN)2

Which of the following is a redox reaction?

Question

Which of the following is a redox reaction?

Options:

A . NaCl + KNO3 → NaNO3 + KCl

B . CaC2O4 + 2HCl → CaCl2 + H2C2O4

C . Mg(OH)2 + 2NH4Cl → MgCl2 + 2NH4OH

D . Zn + 2AgCN → 2Ag + Zn (CN)2

Answer: Option D

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