What are the elements being oxidized and the element being reducedfor each equat

Question

What are the elements being oxidized and the element being reducedfor each equation. a) 4Na + CO2 ------->   2Na2 O + C b) Si + 2Cl2 --------> SiCl4 c) 2Ag+  +     Cu   ------------> 2Ag + Cu2+ d)2Na + Cl2 --------> 2NaCl e) SbCl3 + Cl2 -------> SbCl5 f) 2Fe3+ + Sn 2+ --------> 2 Fe2+ + Sn4+ a) 4Na + CO2 ------->   2Na2 O + C b) Si + 2Cl2 --------> SiCl4 c) 2Ag+  +     Cu   ------------> 2Ag + Cu2+ d)2Na + Cl2 --------> 2NaCl e) SbCl3 + Cl2 -------> SbCl5 f) 2Fe3+ + Sn 2+ --------> 2 Fe2+ + Sn4+

Explanation / Answer

       a) The given reactionis            4Na+ CO2 -------> 2Na2 O + C             HereOxidation state of Na is oxidised from 0 to +1 .                     Oxidationstate of the C is reduced from +4 to 0            So From the above reaction Na is Oxidised And Carbon isreduced .    --------------------------------------------------        b) The givenreaction is              Si + 2Cl2 --------> SiCl4            Here Si is Oxidised from 0 to +4                      Cl2 is reduced from 0 to -1             From the above reaction Si is Oxidised AndCl2 is reduced .   -------------------------------------------------------------       c) 2Ag+   +    Cu ------------> 2Ag + Cu2+           Here Agis Reduced from +1 to 0                   Cu is oxidised from 0 to +2          So fromthe Above reaction Ag is Reduced And Cu is Oxidised .   ----------------------------------------------------------      g) The given reaction is           2Na + Cl2 --------> 2NaCl         here Nais Oxidised from 0 to +1                Cl2 is reduced from o to -1           fromthe above reaction Na is Ocidised andCl2 is reduced.    -----------------------------------------------------------      e) SbCl3 + Cl2 -------> SbCl5       Here Sb is Oxidised from +3 to+5                Cl2 is reduced from 0 to -1          From theabove reaction Sb is Oxidised And Cl2 is reduced .    ----------------------------------------------------------       f) 2Fe3+ + Sn 2+ --------> 2 Fe2+ + Sn4+         Here Fe is reducedfrom +3 to +2                  Sn is Oxidised from +2 to +4           Fromthe above reaction Fe is reduced And Sn isoxidised            Here Si is Oxidised from 0 to +4                      Cl2 is reduced from 0 to -1             From the above reaction Si is Oxidised AndCl2 is reduced .   -------------------------------------------------------------       c) 2Ag+   +    Cu ------------> 2Ag + Cu2+           Here Agis Reduced from +1 to 0                   Cu is oxidised from 0 to +2          So fromthe Above reaction Ag is Reduced And Cu is Oxidised .   ----------------------------------------------------------      g) The given reaction is           2Na + Cl2 --------> 2NaCl         here Nais Oxidised from 0 to +1                Cl2 is reduced from o to -1           fromthe above reaction Na is Ocidised andCl2 is reduced.    -----------------------------------------------------------      e) SbCl3 + Cl2 -------> SbCl5       Here Sb is Oxidised from +3 to+5                Cl2 is reduced from 0 to -1          From theabove reaction Sb is Oxidised And Cl2 is reduced .    ----------------------------------------------------------       f) 2Fe3+ + Sn 2+ --------> 2 Fe2+ + Sn4+         Here Fe is reducedfrom +3 to +2                  Sn is Oxidised from +2 to +4           Fromthe above reaction Fe is reduced And Sn isoxidised                     

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