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The material possessing superconducting ...

The material possessing superconducting properties is

A

`YbBa_(2)Cu_(2)O_(8)`

B

`HgBe_(2)Ca_(2)Cu_(2)O_(8)`

C

`YBa_(2)Cu_(3)O_(7)`

D

`YBa_(2)Cu_(3)O_(7)`

Text Solution

Verified by Experts

The correct Answer is:
C
`Y Ba_(2)Cu_(3)O_(7)` is a super-conductor.
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DINESH PUBLICATION-STATES OF MATTER (SOLID STATE CHEMISTRY)-REVISION QUESTIONS FROM COMPETITIVE EXAMS
  1. An ionic compound has a unit cell consisting of A ions at the corners...

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  2. In a face centred cubic lattice, a cell is shared equally by how many...

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  3. The material possessing superconducting properties is

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  4. A metal crystallises in a bcc lattice. Its unit cell edge length is ab...

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  5. A crystalline solid has a cubic structure in which tungsten (W) atoms ...

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  6. The compound which possesses the antifluorite structure is

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  7. Which has no rotation of symmetry ?

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  8. The hardest substance among the following is

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  9. In an antifluorite structure, cations occupy

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  10. Metallic lustre is explained by

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  11. In the face centred cubic unit cell, edge length is

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  12. The radii of Na^(+) and Cl^(-) ions are 95 pm and 181 pm respectively....

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  13. Which of the following shows ferrimagnetism,

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  14. In AgBr, there can occur

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  15. Empty apace in ccp lattice is

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  16. A particular solid is very hard and has a very high melting point. In ...

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  17. An element (atomic mass=250 u) crystallizes in a simple cubic. If the ...

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  18. Number of atoms in fcc unit cell is

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  19. Which of the following is not ferromagnetic ?

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  20. An example of a face centred cubic lattice is

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