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Which one of the following ionic species...

Which one of the following ionic species has the greatest proton affinity to form stable compound ?

A

`I^(-)`

B

`HS^(-)`

C

`NH_(2)^(-)`

D

`F^(-)`

Text Solution

Verified by Experts

The correct Answer is:
C
Strongest proton affinity will be for the species which is the strongest base or whose conjugate acid is the weakest. The conjugate acid out of HI, `H_(2)S,NH_(3)andHF`.
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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)
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  2. Choose the correct order arranged in decreasing order of basicity

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  3. Which one of the following ionic species has the greatest proton affin...

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

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

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

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

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

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

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

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  11. Strongest conjugate base is

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  12. The strongest base of the following species is

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

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

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

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

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

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  18. Which of the following solvents are aprotic?

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

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

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