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Which of the following oxidse of chromiu...

Which of the following oxidse of chromium is amphoteric in nature ?

A

CrO

B

`CrO_(3)`

C

`Cr_(2)O_(3)`

D

`CrO_(5)`

Text Solution

Verified by Experts

The correct Answer is:
C
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MODERN PUBLICATION-CHEMISTRY OF D-AND F-BLOCK ELEMENTS-Multiple Choice Questions (Level-II)
  1. Which of the following forms a stable + 4 oxidation state ?

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  2. Which of the following statements concerning transition metal is fals...

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  3. Which of the following oxidse of chromium is amphoteric in nature ?

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  4. The maximum magnetic moment is shown by the ion with the outer electro...

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  5. Which of the following is not true ? In acidic medium KMnO(4) oxidises...

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  6. When potassium dichromate is heated with conc. H(2)SO(4) and NaCl. Ora...

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  7. When diliute sulphuric acid and hydrogen perioxide are added to a solu...

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  8. Amongst the following the lowest digree of paramagnetism per mole of ...

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  9. The magnetic moment of a transition metal ion is found to be 3.87 B.M....

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  10. In acidic medium if potassium permanganate is used as an oxidising age...

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  11. The number of moles of KMnO4 that will be needed to react with one mol...

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  12. Which of the following statement (s) is (Are) correct with reference t...

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  13. The structure of Fe(2)Cl(6) is best represented as :

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  14. Reduction of MnO(4)^(-) in strongly basic medium gives :

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  15. The calculated spin magnetic moment of Fe(II) is :

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  16. The number of moles of KMnO4 that will be needed to react with one mol...

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  17. Which of the following statements is incorrect ?

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  18. In case of actinoids, the degree of complex formation decreases as :

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  19. In which of the following pairs, the first ion has larger magnetic mom...

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  20. Which of the following statements is false ?

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