Which of the following represents redox reaction ?

1.	Which of the following represents redox reaction ?
Answer» `Cr_(2)O_(7)^(-2) +2OH^(-) rarrCrO_(4)^(2-)+ H_(2)O` `SO_(5)^(2-) +I^(-)rarrI_(2)+SO_(4)^(2-)` `Ca(OH)_(2)+Cl_(2) rarrCa(ClO)_(2)+CaCl_(2)` `PCl_(5) rarrPCl_(3)+Cl_2` SOLUTION :a) `overset(+6)underset(_)Cr_(2)O_7^(2-)+2OH^(-)RARROVERSET(+6)(CrO_4^(2-))+H_2O` b) `overset(+8)underset(_)(S)O_5^(2+)+I^(-)rarrI_2^(0)+overset(+6)(S)ulO_4^(2-)` C) `Ca(OH)_(2)+Cl_(2)^(0) rarr Caoverset(+1)((ClO))_(2)+CaCl_(2)^(-1)` d) `overset(+5 -1)(PCl_5) rarr overset(+3-1)(PCl_3)+Cl_(2)^(0)`

Discussion