Which of the following represents redox reactions?A. `Cr_(2)O_(7)^(2-)+2overset(ө)OHrarr2CrO_(4)^(2-)+H_(2)O`B. `SO_(3)^(2-)+H_(2)O+I_(2)rarrSO_(4)^(2-)+2I^(ө)+2H^(o+)`C. `Ca(OH)_(2)+Cl_(2)rarrCa(Ocl)_(2)+CaCl_(2)`D. `PCl_(5)rarrPCl_(3)+Cl_(2)`

Which of the following represents redox reactions?A. `Cr_(2)O_(7)^(2-)

1.	Which of the following represents redox reactions?A. `Cr_(2)O_(7)^(2-)+2overset(ө)OHrarr2CrO_(4)^(2-)+H_(2)O`B. `SO_(3)^(2-)+H_(2)O+I_(2)rarrSO_(4)^(2-)+2I^(ө)+2H^(o+)`C. `Ca(OH)_(2)+Cl_(2)rarrCa(Ocl)_(2)+CaCl_(2)`D. `PCl_(5)rarrPCl_(3)+Cl_(2)`
Answer» Correct Answer - B::C::D `(b), (c ), and (d)` are redox reactions. In `(a)`, there in no change in the oxidation state `(+6)` of `Cr`.

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Which of the following represents redox reactions?A. `Cr_(2)O_(7)^(2-)+2overset(ө)OHrarr2CrO_(4)^(2-)+H_(2)O`B. `SO_(3)^(2-)+H_(2)O+I_(2)rarrSO_(4)^(2-)+2I^(ө)+2H^(o+)`C. `Ca(OH)_(2)+Cl_(2)rarrCa(Ocl)_(2)+CaCl_(2)`D. `PCl_(5)rarrPCl_(3)+Cl_(2)`

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