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In acidic medium, the equivalent wight o...

In acidic medium, the equivalent wight of `K_(2)Cr_(2)O_(7)` (Mol. Wt. =M) is

A

`M`

B

`M//2`

C

`M//3`

D

`M//6`

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This question has Statement I and Statement II. Of the four choices given after the Statements, choose the one that best describes the two Statements. Statement - I : In acidic medium, equivalent weight of K_2Cr_2O_7 is 49 Statement - II : (Cr^(6+))_2+6erarr2Cr^(3+) , Thus, E-M/6

When BrO_3^(-) ion reacts with Br^- in acid medium, Br_(2) is liberated. The equivalnt weight of Br_2 in this reaction is : [M = molecular wt of bromine]

The equivalent weight of K_(2)Cr_(2)O_(7) in acidic medium is expressed in terms of its molecular weight (M) as-

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V ml solution of Fe^(2+) can be oxidised by 60 ml of KMnO_4 in acidic medium. What will be the volume of K_2Cr_2O_7 required to oxidise V ml of the same Fe^(2+) solution in an acidic medium ? Consider the molarity of KMnO_4 and K_2Cr_2O_7 to be the same.

In acidic medium, H_(2)O_(2) changes Cr_(2)O_(7)^(2-) to CrO_(5) which has two (-O-O-) bonds. Oxidation state of Cr in CrO_(5) is -

State three uses of KMnO_(4) and K_(2)Cr_(2)O_(7) each.

The oxidation state of Cr in the product obtained by the reduction of K_(2)Cr_(2)O_(7) by atomic hydrogen is-

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