Which of the following changes does not occur | vedclass

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(B) The reaction between $K_2Cr_2O_7$ and $H_2O_2$ in acidic medium is: $K_2Cr_2O_7 + 4H_2O_2 + H_2SO_4 	o 2CrO_5 + K_2SO_4 + 5H_2O$. In $K_2Cr_2O_7$

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$O.S.$ of $Cr$ atom decreases

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(B) The reaction between $K_2Cr_2O_7$ and $H_2O_2$ in acidic medium is: $K_2Cr_2O_7 + 4H_2O_2 + H_2SO_4 	o 2CrO_5 + K_2SO_4 + 5H_2O$. In $K_2Cr_2O_7$,the oxidation state $(O.S.)$ of $Cr$ is $+6$. In $CrO_5$ (blue perchromate),the oxidation state of $Cr$ is also $+6$. Therefore,the $O.S.$ of $Cr$ remains constant. Option $B$ states that the $O.S.$ of $Cr$ decreases,which is a false statement. Thus,the change that does not occur is $B$.

Which of the following changes does not occur when $K_2Cr_2O_7$ reacts with $H_2O_2$ solution?

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