JEE Advanced Model Paper 7 with solutions for online practice

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Question : 49 of 66

Marks: +1, -0

What changes occur when acidified Cr2O72− ion reacts with H2O2 solution in presence of ethersolvent

Orange colour of solution turns blue
Oxidation state of Cr-atom decreases
Oxidation state of Cr-atom remains constant
Orange colour of solution turns green

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