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The bonds present in the structure of di...

The bonds present in the structure of dichromate ion are

A

four equivalent Cr - O bonds only

B

Six equivalent Cr -O bonds are one O - O bond

C

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

D

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

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. The transition metal ion that has ‘spin-only’' magnetic moment value...

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  2. Write a short note on chromyl chloride test.

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

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  4. Write lewis dot symbol for following elements : carbon

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  5. When H2O2 is shaken with an acidified solution of K2Cr2O7 in presence ...

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  6. Draw lewis dot structure of C2H4

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  7. How would you account for the increasing oxidising power in the series...

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  8. Draw lewis dot structure of C2H2

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  9. Draw the lewis dot structure of COCl2

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  10. Which of the following ions has the same number of unpaired electrons ...

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  11. What is the maximum oxidation state shown by actinoids?

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  12. The atomic number of cerium (Ce) is 58. The correct electronic configu...

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  13. The only radioactive element among the lanthanoids is

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  14. Identify a ‘Chemical twin' among the following

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  15. How many grams of potassium dichromate are required to oxidise 20.0 g ...

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  16. Which of the following statement regarding lanthanides is false?

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  17. How is sodium chromate converted into sodium dichromate, in the manufa...

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  18. Identify the metal that forms colourless compounds.

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  19. What is the general molecular formula of the products obtained on heat...

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  20. Choose the wrong statement in the following:

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