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Which one of the following molecules hyd...

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

A

`CH_(4)`

B

`NH_(3)`

C

`H_(2)O`

D

`B_(2)H_(6)`

Text Solution

Verified by Experts

The correct Answer is:
D

`B_(2)H_(6)` is electron - deficient

This is because boron do not have sufficient valence electrons to from conventional two electron bond with all the H-atoms.
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PRADEEP-EQUILIBRIUM-Competition Focus (I. Multiple Choice Questions(with one correct Answer)) (II. Various concepts of Acids and Bases, their dissociation constants and strength)
  1. Which one of the following ionic species has the greatest proton affin...

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  2. The correct order of increasing basicity of the given conjugate bases ...

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  3. Three reactions involving H(2)PO(4)^(-) are given below I. H(3)PO(4...

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

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  5. Which of the of the following fluoro -compouds is most likely to beahv...

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  6. Which of the following statements about HCO(3)^(-) are correct ? 1. ...

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  7. Which of the following is least likely to behave as Lewis acid?

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  8. The correct order of increasing [H3O^+] in the following aqueous solut...

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  9. Strongest conjugate base is

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  10. The strongest base of the following species is

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  11. In HS^(-), I^(-), R-NH(2), NH(3) order of proton accepting tendency wi...

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  12. In which cases, the order of acidic strength is not correct ?

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  13. In aqueous solution the ionization constants for carbonic acid are: ...

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  14. The correct order of decreasing acidic nature of H(2)O, ROH, CH -= CH ...

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  15. Which one of the following is a hard base ?

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  16. Which of the following solvents are aprotic?

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  17. According to hard and soft acid base principle, a hard acid

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  18. Calculate [OH^(-)]and % dissociation of 0.01 M solution of ammonium hy...

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  19. Boric acid is an acid because its molecule

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  20. In the following reactions, ZnO is respectively acting as a/an ZnO ...

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