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Which of the following compounds is meta...

Which of the following compounds is metallic and ferromagnetic -

A

`TiO_(2)`

B

`CrO_(2)`

C

`VO_(2)`

D

`MnO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`CrO_(2)` is a good coonductor of electricity and is ferromagnetic in nature.
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CHHAYA PUBLICATION-D - AND F - BLOCK ELEMENTS -ENTRANCE QUESTION BANK
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  2. Match the catalyst to the correct process - {:(,"Catalyst",,"Proces...

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  3. Which of the following compounds is metallic and ferromagnetic -

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  5. For the four successive transition elements (Cr, Mn, Fe and Co), the s...

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  6. Four successive members of the first series of the transition metals a...

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  7. Which of the following exhibits only + 3 oxidation state -

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  8. Which one of the following does not correctly represent the correct of...

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  9. The catalytic activity of transition metals and their compounds is asc...

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  10. Red precipitate is obtained when enthanol solution of dimethylglyoxime...

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  11. Which of the statement is not true -

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  12. KMnO(4) can be prepared from K(2)MnO(4) as per the reaction : 3MnO(4...

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  13. Which of the following lanthanoid ions is diamagnetic - (At. Nos. Ce =...

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  14. Reason of lanthanoid contraction is -

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  15. Magnetic moment 2.83 BM is given by which of the following ions - (AT....

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  16. In acidic medium, H(2)O(2) changes Cr(2)O(7)^(2-) to CrO(5) which has ...

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  17. Gadolinium belong to 4f - series. Its atomic number is 64. Which of th...

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  18. Which one of the following statements related to lanthanoids is incorr...

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  19. The electronic configuration of Eu (Atomic No. 63), Gd (Atomic No. 64)...

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  20. Which of the following statements is correct when SO(2) is passed thro...

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