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Which of the following compounds represe...

Which of the following compounds represents an inverse 2:3 spinel structure?

A

`Mg^(II)Al_(2)^(III)O_(4)`

B

`Co^(II)(Co^(III))_(2)O_(4)`

C

`Zn(TiZn)O_(4)`

D

`Ni(CO)_(4)`

Text Solution

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The correct Answer is:
A, B
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OP TANDON-STATES OF MATTER (SOLID STATE)-Objective Questions (Level-B)
  1. Select the incorrect statement:

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  2. The ionic radii of Rb^(+) and I^(-) are 1.46 and 2.16Å. The most proba...

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  3. Perovskite is a mineral with the formula CaTiO(3) . Which of the posit...

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  4. The number of atoms in 100 g an fcc crystal with density d = 10 g//cm^...

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  5. In a ccp structure, the :

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  6. Which of the following compounds represents an inverse 2:3 spinel stru...

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  7. A solid solution of CdBr(2) in AgBr contains

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  8. A crystalline solid is made of X, Y and Z elements. Atoms of X form fc...

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  9. Which of the following patterns has voids fraction of 0.26?

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  10. In face centred cubic unit cell, what fraction of edge is not covered ...

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  11. First three nearest neighbour distance for body centred cubic lattice ...

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  12. How many tetrahedral holes are occupied in diamond ?

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  13. If the unit cell of a mineral has cubic close packed (ccp) array of ox...

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  14. Which of the following crystals have 6:6 coordination ?

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  15. Which of the following compounds represents an inverse 2:3 spinel stru...

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  16. Which type of crystals contains only one Bravais lattice ?

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  17. At which temperature , is a ferrimagnetic solid converted to a ferroma...

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  18. In NaCl structure , all the :

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  19. The density of a certain solid AB (formula mass =119) is 2.75 g//cm^(3...

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  20. The correct statement (s) for cubic close packed (ccp)three structure ...

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