p-Block elementsHard

Question

HBr and HI can reduce H2SO4, HCl can reduce KMnO4 and HF can reduce :

Options

A.K2Cr2O7
B.KMnO4
C.H2SO4
D.none

Solution

HF cannot reduce K2Cr2O7, KMnO4 and  H2SO4. These compounds being oxidising agents cannot  oxidise HF to F+ (it is most electronegative element).

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