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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

B

six equivalent Cr-O bonds and 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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The correct Answer is:
D
Structure of dichromate ion is
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 16-Paper -1 (Physics & Chemistry)
  1. Which of the following statements is wrong?

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  2. Fluorine reacts with cold dilute NaOH to give

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

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  4. Chain isomers for C(5)H(12) represents how many compounds ?

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  5. Some statements are given below about ethers. They can be regarded as...

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  6. The vapour pressure of benzene at 90^(@)C is 1020 torr. A solution of ...

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  7. If 111 mg of CaCl(2) and 12 mg of MgSO(4) are present in 2L of water,...

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  8. On strong

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  9. "The grater the charge on an ion, the grater its coagulating power" is...

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  10. In chromimum chloride (CrCl(3)),Cl^(-) ions have cubic close packed ar...

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  11. The process of bringing the metal or its ore into solution by the acti...

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  12. Oxidation no. of P in H(4)P(2)O(5), H(4)P(2)O(6), and H(4)P(2)O(7) are...

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  13. When a sulphur sol is evaporated, solid sulphur is left. On mixing w...

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  14. In case of solid which geometrical isomer of but-2-ene has greater mel...

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  15. Which of the following is oxidised to ketone?

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  16. Which of the four colligative properties, is most often used for molec...

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  17. In thermodynamics, a process is called reversible when

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  18. The variation of ^^(m) of acetic acid with concentration is correctly ...

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  19. According to collision theory, collision rate = Z (reactants), where Z...

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  20. How many moles of lead (II) chloride will be formed from a reaction be...

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