Redox Reactions And Electrochemistry Ques 545

Question: Which of the following is a redox reaction [AIEEE 2002]

Options:

A) $ NaCl+KNO_3\to NaNO_3+KCl $

B) $ CaC_2O_4+2HCl\to CaCl_2+H_2C_2O_4 $

C) $ Mg{{(OH)}_2}+2NH_4Cl\to MgCl_2+2NH_4OH $

D) $ Zn+2AgCN\to 2Ag+Zn{{(CN)}_2} $

Show Answer

Answer:

Correct Answer: D

Solution:

. $ \overset{0}{\mathop{Zn}},+\overset{+1,}{\mathop{2AgCN,}},\to \overset{0}{\mathop{2Ag}},+\overset{+2,}{\mathop{Zn{{(CN)}_2}}}, $ .



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