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CBSE Class 10 Answered

Which of the following is a redox reaction?  (A)  NaCl + KNO3 → NaNO3 + KCl   (B)  CaC2O4 + 2HCl → CaCl2 + H2C2O4   (C)  Mg(OH)2 + 2NH2Cl → MgCl2 +  2NH4OH  (D)  Zn + 2AgCN → 2Ag + Zn(CN)2  
Asked by debjit_dm | 01 May, 2020, 04:41: PM
answered-by-expert Expert Answer
Following reaction is a redox reaction:
 
Zn + 2AgCN → 2Ag + Zn(CN)2
 
 
Oxidation colon space Zn with 0 on top space rightwards arrow space space Zn with 2 plus on top left parenthesis CN right parenthesis 2 space space

Reduction colon space Ag with plus 1 on top CN space rightwards arrow space Ag with 0 on top
 
Answered by Ramandeep | 01 May, 2020, 06:44: PM
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