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Classification of Elements and Periodicity in Properties
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26/08/2021 12:28 pm
Topic starter
Which one of the following ionic species has the greatest proton affinity to form stable compound?
(a) Cl-
(b) F-
(c) I-
(d) Br-
1 Answer
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26/08/2021 12:32 pm
Correct answer: (b) F-
Explanation:
Proton affinity decreases in moving across the period from left to right due to increase in charge, within a group the proton affinities decreases from top to bottom.