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In Cr(2) O(7)^(2-) every Cr atom is link...

In `Cr_(2) O_(7)^(2-)` every Cr atom is linked to

A

one oxygen atom

B

two oxygen atom

C

three oxygen atom

D

four oxygen atom

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The correct Answer is:
D
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Calculate the electrode potential at 25^(@)C of Cr^(3+),Cr_(2)O_(7)^(2-) electrode at pOH=11 in solution of 0.01 M both in Cr^(3+) and Cr_(2)O_(7)^(2-) Cr_(2)O_(7)^(2-)+14H^(+)+6eto2Cr^(3+)+7H_(2)O E^(0)=1.33V .

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NIKITA PUBLICATION-D-AND F-BLOCK ELEMENTS-MULTIPLE CHOICE QUESTIONS
  1. KMnO(4) is

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  2. Potassium permanganate acts as an oxidant in neutral, alkaline as well...

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  3. In Cr(2) O(7)^(2-) every Cr atom is linked to

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  4. Acidified potassium dichromate is treated with hydrogen sulphide. In t...

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  5. Ethylene reacts with alkaline KMnO(4) to form-

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  6. The yellow colour of chromates changes to orange on acidification due ...

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  7. Chromyl chloride tsts is used to detect

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  8. The shape of CrO(4)^(2-) is ….and Cr atom involves.l..hydrization.

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  9. Pick out the incorrect statement about K(2)Cr(2)O(7)

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  10. Pick out incorrect statemment about K(2) Cr(2)O(7).

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  11. The addition of acidic K(2)Cr(2) O(7) to NaCl produces a colour

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  12. Which of the following compounds is formed when a mixture of K(2)Cr(2)...

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  13. Formula of chromyl chloride is-

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  14. Pick out the incorrect statement.

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  15. MnO(4)^(-) ions can be reduced in strongly alkaline medium to give

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  16. On adding KMnO(4) to cold conc. H(2)SO(4), it gives

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  17. In acidic medium oxidation state of Mn changes from

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  18. The equivalent weights of KMnO(4) as an oxidising agent in acidic and ...

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  19. When KMnO(4) solution is added to hot oxalic acid solution the decolo...

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  20. Equivalent weight of KMnO(4) when it is convert into MnSO(4) is

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