Which one of the following arrangements represents the correct order of the proton affinity of the given species:

\[H{{S}^{-}}<NH_{2}^{-}<{{F}^{-}}<{{I}^{-}}\]

Which one of the following arrangements represents the correct order o

1.	Which one of the following arrangements represents the correct order of the proton affinity of the given species:
A.	\[{{I}^{-}}<{{F}^{-}}<H{{S}^{-}}<NH_{2}^{-}\]
B.	\[H{{S}^{-}}<NH_{2}^{-}<{{F}^{-}}<{{I}^{-}}\]
C.	\[{{F}^{-}}<{{I}^{-}}<\text{ }NH_{2}^{-}<H{{S}^{-}}\]
D.	\[NH_{2}^{-}<H{{S}^{-}}<{{I}^{-}}<{{F}^{-}}\]
Answer» B. \[H{{S}^{-}}<NH_{2}^{-}<{{F}^{-}}<{{I}^{-}}\]

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Which one of the following arrangements represents the correct order of the proton affinity of the given species:

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