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In Cr(2) O (7)^(2-) , Cr -O-Cr bond anlg...

In `Cr_(2) O _(7)^(2-) , Cr -O-Cr` bond anlge is

A

`109^(@)`

B

`126^(@)`

C

`180^(@)`

D

`90^(@)`

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The correct Answer is:
B
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NIKITA PUBLICATION-D-AND F-BLOCK ELEMENTS-MULTIPLE CHOICE QUESTIONS
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  2. Which of the following compounds is used at the staring material for t...

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  3. In Cr(2) O (7)^(2-) , Cr -O-Cr bond anlge is

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  4. Solid KmnO(4) on heating with H(2) forms

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  5. KMnO(4) is

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

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

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

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

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

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  11. Chromyl chloride tsts is used to detect

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

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

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

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

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

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  17. Formula of chromyl chloride is-

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  18. Pick out the incorrect statement.

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

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

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