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Al(2)O(3) can be converted to anhydrous ...

`Al_(2)O_(3)` can be converted to anhydrous `AlCl_(3)` by heating :

A

`Al_(2)O_(3)` with `NaCl` in solid state

B

a mixture of `Al_(2)O_(3)` and carbon in dry `Cl_(2)` gas

C

`Al_(2)O_(3)` with `Cl_(2)` gas

D

`Al_(2)O_(3)` with `HCl` gas.

Text Solution

Verified by Experts

The correct Answer is:
B
`Al_(2)O_(3)+3C+3Cl_(2)rarr underset("anhy.")(2AlCl_(3))+3CO`
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MODERN PUBLICATION-CHEMISTRY OF P - BLOCK ELEMENTS-Multiple Choice Questions (Level - II) (Comprehensive Qs)
  1. Which of the following is the most basic oxide?

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  2. Which of the following species has a linear shape ?

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  3. Al(2)O(3) can be converted to anhydrous AlCl(3) by heating :

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  4. Which of the following is not isostructural with SiCl(4)^(4-)?

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  5. In which of the following pairs, the two species are iso - structural?

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  6. Which one of the following anions is present in the chain structure of...

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  7. Atoms in a P(4) molecule of white phosphorous are arranged regularly i...

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  8. Which is not the correct order of the stated property?

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  9. The function of Fe(OH)(3) in the contact process is :

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  10. Affinity for hydrogen decreases in the group from fluorine to iodine. ...

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  11. The oxidation state of central atom in the anion of compound NaH(2)PO(...

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  12. On addition of conc. H(2)SO(4) to a chloride salt, colourless fumes ar...

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  13. Elements of group - 15 form compounds in +5 oxidation state. However, ...

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  14. On heating ammonium dichromate and barium azide separately we get

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  15. In the preparation of compounds of Xe, Bartlett had taken O(2)^(+)PtF(...

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  16. Which of the following are peroxoacids of sulphur?

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  17. In solid state PCl(5) is a .

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  18. Which of the following is isoelectronic pair?

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  19. Dehydration of formic acid with sulphuric acid gives

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  20. Nitric acid (conc.) oxidises phosphorus to

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