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Al(2)O(3) can be converted into anhydrou...

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

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
A
`Al_(2)O_(3)+3C+3Cl_(2) rarr 2AlCl_(3)+ 3CO`.
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CENGAGE CHEMISTRY ENGLISH-P-BLOCK GROUP 13 - BORON FAMILY-Exercise (Single Correct)
  1. The chemical formula of feldspar is

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  2. The chief impurity present in bauxite is

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

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  4. Boric acid is used in carrom boards for smooth gliding of pawns becaus...

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  5. Aluminium chloride exists as dimer, Al(2)Cl(6) in solid state as wel...

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  6. In which of the following molecules is hydrogen bridge bond present ?

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  7. Which one of the following molecular hydrides acts as a Lewis acid ?

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  8. The stability of +1 oxidation state among Al,Ga,In and Tl increases in...

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  9. Na(2)B(4)O(7).10H(2)O is correctly represented as

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  10. AlCl(3) is an electron-deficient compound but AlF(3) is not, due to

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  11. Bauxite ore is generally contaminated with impurity of oxides of two...

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  12. Explain, why does boron not form B^(3+) ions.

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  13. Borazine is converted into a disubstituted product B(3)N(3)H(4)X(2)....

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  14. Aqueus solution of borax acts as a buffer because

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  15. Correct match is :

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  16. When aluminium is heated in atomosphere of nitrogen it forms :

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  17. Which one of the following is more abundant in the earth's crust ?

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  18. Which of the following is acidic in nature ?

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  19. alums are used for :

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  20. The liquified metal expanding on solidification is :

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