Whenhydrogen peroxide is added to an acidified solution of a dichromate gives a deep blue coloured compound 'A' in presence of organic solvent, which decomposes rapidly in aqueous solution into 'B' and dioxygen. Compound 'A' can be extracted by dimethyl ether forming the adduct 'C'. The oxidation state of the metal ion in compound 'A' are

Whenhydrogen peroxide is added to an acidified solution of a dichromat

1.	Whenhydrogen peroxide is added to an acidified solution of a dichromate gives a deep blue coloured compound 'A' in presence of organic solvent, which decomposes rapidly in aqueous solution into 'B' and dioxygen. Compound 'A' can be extracted by dimethyl ether forming the adduct 'C'. The oxidation state of the metal ion in compound 'A' are
Answer» `3+` `10+` `6+` `4+` SOLUTION :`{:(H_(2)O_(2)+K_(2)Cr_(2)O_(7)+H_(2)SO_(7)),(""darr),(""K_(2)SO_(4)+Cr_(2)(SO_(4))_(3)+CrO_(5)+H_(2)O),("""deepbla"):}` `CrO_(5)OVERSET(Delta)(to)Cr_(2)O_(3)+O_(5)` `""CR=4s^(1)3d^(5),Cr^(+3)to4s^(@)3d^(3)` `overset(+3)(Cr_(2)O_(3))to` no. of unpaired electron is `3`.