A sample of mixture of `AO` and `A_2O_3` in `2: 1` molar ratio takes `0.015` mole of `K_2Cr_2O_7` to oxidize the sample

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Q 1139645512.     A sample of mixture of `AO` and `A_2O_3` in `2: 1` molar ratio takes `0.015` mole of `K_2Cr_2O_7` to oxidize the sample completely to form `AO_4^−` in acidic solution. Millimoles of `AO` and `A_2O_3` in the sample are respectively
A

`30` `text(and)` `15`

B

`text(none of these)`

C

`60` `text(and)` `30`

D

`10` `text(and)` `5`

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(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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