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It takes 0,15 mole of CIO^- to oxidize ...

It takes 0,15 mole of `CIO^-` to oxidize 12.6 g of chromium oxide of a specific formula to `Cr_2O_7^(2-).CIO^(-)` became `CL^-` The formula of the oxide is (atomic weight Cr = 52, 0= 16)

A

`CrP_3`

B

`CrO_2`

C

`CrO_4`

D

CrO

Text Solution

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The correct Answer is:
B
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PATHFINDER-MOLE AND STOICHIOMETRY-II-QUESTION BANK
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  2. In which of the following compound transition metal has zero oxidation...

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  3. It takes 0,15 mole of CIO^- to oxidize 12.6 g of chromium oxide of a ...

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  4. 1 mol of ferrous oxalate is oxidized by x mol of MnO4^(-) and also 1 ...

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  5. Which reaction does not involve neither oxidation nor reduction ?

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  7. Which of the following reaction represents disproportionation ?

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  8. 6x10^(-3) mole K2Cr2O7 reacts completely with 9x10^(-3) mole X^(n+) ...

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  9. A certain ion X^(n+) is oxidized successively to XO4^(2-) and then ...

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  10. Write the common method of preparation of N2O.

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  11. How many moles of electrons are needed for the reduction of each mole ...

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  16. 60 ml 0.1 M KMnO4 is treated with excess FeC2O4 in presence of H2SO4...

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  17. What happens when iron is heated in presence of O2?

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  18. What volume of 2 N K2Cr2O7 solution is required to oxidise 0.81 g of ...

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