Q.
The direction 3CrO43−+8H+→2CrO42−+Cr3++4H2O shows.
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a
Oxidation of Cr5+ only
b
Inter molecular redox
c
non redox reaction
d
Disproportionation reaction
answer is D.
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Detailed Solution
CrO43− CrO42− Cr3+x+4−2=−3 x+4−2=−2 x=+3x=+5 x=+6If one atom can undergo both oxidation and reduction called disproportion reaction
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