Question

In acidic medium H2O2 changes Cr2O7^2- to CrO5. Which has two (--O--O--) bonds oxidation state of Cr in CrO5 is?

Answer 1

Oxidation state of Cr is+6 because it has two peroxy bonds and hence 4 peroxy oxygen having O.S -1 and 1 double bonded oxygen having O.S -2.

therefore,

Cr+1×(-2)+4×(-1)=0

Cr=+6

Answer 2

Answer:

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