Eduprobe
Question:
Which of the following can react with K2Cr2O7?
SO32−
CO32−
NO3−
SO42−
Solution:
Correct option is A. SO32−
Solution:- (A) SO32−
Oxidation state of S in SO32− is +4. Hence can easily be oxidised when reacts with K2Cr2O7.
SO32−
CO32−
NO3−
SO42−
Correct option is A. SO32−
Solution:- (A) SO32−
Oxidation state of S in SO32− is +4. Hence can easily be oxidised when reacts with K2Cr2O7.