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The bonds present in the structure of di...

The bonds present in the structure of dichromate ion are

A

six equivalent Cr-o bonds and one O-O bond

B

six equivalent Cr-O bonds and one Cr-Cr bond

C

eight equivalent Cr-O bonds

D

six equivalent Cr-O bonds and one Cr-O-Cr bond

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The correct Answer is:
D
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TARGET PUBLICATION-D AND F-BLOCK ELEMENT -CRITICAL THINKING
  1. The yellow colour of chromates changes to orange on acidification due ...

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

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  3. The bonds present in the structure of dichromate ion are

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  4. The equivalent mass of KMnO4in the following reaction is . (M = Mole...

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  5. In acidic medium one mole of MnO(4)^(-) accepts how many moles of elec...

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  6. Which orbital is progressively filled in lanthanides?

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  7. In which of the lanthanide elements, 5d electrons does NOT shift to 4f...

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  8. Configuration of La^(+3) will be same as .

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  9. Which of the following has the same observed and expected electronic c...

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  10. The most stable state of Ce (Z = 58) is

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  11. Among the following lanthanoid ions, the paramagnetic ion is

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  12. La^(+3) and Lu^(+3) have their ionic radii 'a' and 'b' respectively, t...

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  13. Across the lanthanide series, the basicity of the lanthanoid hydroxide...

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  14. The pair , that referred as 'chemical twins' is

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  15. In the periodic table actinons belong to

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  16. Identify the INCORRECT statement.

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  17. Most common oxidation state of actinoids is ......... .

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  18. Which of the following is FALSE regarding actinoids?

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  19. The element has configuration of [Kr]4d^7 5s^2. The number of electron...

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  20. Which of the following statement is INCORRECT?

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