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Which one of the following molecules hyd...

Which one of the following molecules hydrides acts as a Lewis acid ?

A

`B_(2)H_(6)`

B

`C_(2)H_(6)`

C

`PH_(3)`

D

`SiH_(4)`

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The correct Answer is:
A
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ERRORLESS -S AND P BLOCK ELEMENTS-Ordinary thinking (Boron family)
  1. Purification of aluminium done by electrolytic refining is known as

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  2. Which of the following is the electron-deficient molecule?

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  3. Which one of the following molecules hydrides acts as a Lewis acid ?

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

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

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  6. Which of the following statements is incorrect

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  7. The tendency of BF(3), BCl(3) and BBr(3) behave as Lewis acid decrease...

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  8. Which of the following structure is similar to graphite e?

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  9. The stability of +1 oxidation state among Al, Ga, In and Ti increases ...

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  10. Boric acid is an acid because its molecule

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  11. The purification of alumina is called

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  12. Bauxite containing impurities of iron oxide is purified by

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  13. Number of water molecules in Mohr's salt is

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  14. The liquified metal expanding on solidification is :

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  15. Which of the following is only acidic in nature?

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  16. In diborane, the two H-B-H angles are nearly

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  17. Borax is uded as a cleaning agent because on dissolving in water, it g...

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  18. Which of the following is an amphoteric oxide

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  19. When Al is added to KOH solution

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  20. Anhydrous AlCl3 cannot be obtained from which of the following reactio...

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