which of the following do not represent a redox reaction?
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Explanation:
PCl5→PCl3+Cl2
+5 +3 redox reaction
2Ca(OH)2+2Cl2→Ca(ClO)2+CaCl2+2H2O
0 +1 -1 redox reaction
SO52−+2I⊝+2H⨁→I2+SO42−
-1 0 redox reaction
Cr2O72−+2O⊝H→CrO42−+H2O
+6 +6
Since, there is no change in oxidation state in this reaction, it is not a redox reaction.
I hope it will help you out.
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