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Transition elements form binary compound...

Transition elements form binary compounds with halogens. Which of the following elements will form `MF_(3)` type compounds -

A

Cr

B

Co

C

Cu

D

Ni

Text Solution

Verified by Experts

The correct Answer is:
A, B
Cr and Co exhibit stable + 3 oxidation state. So they will form `CrF_(3)` and `CoF_(3)`.
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CHHAYA PUBLICATION-D - AND F - BLOCK ELEMENTS -SOLVED NCERT EXEMPLAR PROBLEMS (Multiple Choice Question)
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  2. Gadolinium belongs to 4f - series. It's atomic number is 64. Which of ...

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  3. Interstitial compounds are formed when small atoms are trapped inside ...

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  4. The magnetic moment is associated with its spin angular momentum and o...

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  5. KMnO(4) acts as an oxidising agent in alkaline medium. When alkaline K...

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  6. Which of the following statements is not correct -

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  7. When acidified K(2)Cr(2)O(7) solution is added to solution of Sn^(2+) ...

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  8. Highest oxidation state of manganese in fluoride is + 4 (MnF(4)) but h...

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  9. Although zirconium belongs to 4d transition series and hafnium to 5d t...

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  10. Why is HCl not used to make the medium acidic in oxidation reactions o...

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  11. Generally transition elements and their salts are coloured due to the ...

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  12. Transition elements show magnetic moment due to spin and orbital motio...

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  13. In the form of dichromate, Cr(VI) is a strong oxidising agent in acidi...

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  14. Which of the following actinoids show oxidation states upto + 7 -

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  15. General electronic configuration of actinoids is (n-2)f^(1-14)(n-1)d^(...

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  16. Which of the following lanthanoids show + 2 oxidation state besides th...

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  17. Which of the following ions show higher spin only magnetic moment valu...

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  18. Transition elements form binary compounds with halogens. Which of the ...

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  19. Which of the following will not act as oxidising agents -

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  20. Although + 3 is the characteristic oxidation state for lanthanoids but...

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