D-And F-Block Elements Ques 35

Question: Acidified potassium dichromate on reacting with a sulphite is reduced to

Options:

A) CrO2Cl2

B) CrO42

C) Cr3+

D) Cr2+

Show Answer

Answer:

Correct Answer: C

Solution:

Cr2O72+8H++2SO32,,2Cr+3+3SO42+4H2O



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