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In which of the following, a salt of the...

In which of the following, a salt of the type `KMO_(2)` is obtained ?

A

`B_(2)H_(6) + KOH_((aq)) rarr`

B

`Al + KOH_((aq)) rarr`

C

Both

D

None

Text Solution

Verified by Experts

The correct Answer is:
C
`B_(2)H_(6) +2KOH +2H_(2)O rarr underset(underset("metaborate")("Potassium"))(2KBO_(2))+ 6H_(2)`
`2Al +2KOH +2H_(2)O rarr underset(underset("metaborate")("Potassium"))(2KAlO_(2))+ 3H_(2)`.
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CENGAGE CHEMISTRY-P-BLOCK GROUP 13 - BORON FAMILY-Exercise (Single Correct)
  1. Borax bead test is based upon the formation of

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  2. Which of the followinf minerals does not contain aluminium ?

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  3. In which of the following, a salt of the type KMO(2) is obtained ?

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  4. Inorganic graphite is

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  5. Hydrated AlCl(3) is used as :

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  6. Borax is uded as a cleansing agent because on dissolving in water, it ...

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  7. Boric acid is polymeric due to :

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  8. The chemical formula of feldspar is

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  9. The chief impurity present in bauxite is

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

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

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

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

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  14. Which of the following molecular hydride act as a Lewis acid ?

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  15. The stability of +1 oxidation state increases in the sequence :

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

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

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  18. Bauxite ore is generally contaminated with impurity of oxides of two e...

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  19. Boron does not form B^(3+) ion, due to.

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  20. The number of isomers possible for disubstituted borazine, B(3)N(3)H(4...

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