Why is HF (pKa=3.2) so much less acidic than HCl (pKA=-7)? (check all correct answers) A) because fluorine has a lower bond dissociation energy than chlorine (True or False) B) because fluoride and hydronium ion form a contact ion pair (True or False) C) because the proton forms a strong hydrogen bond to fluoride (True or False)

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter4: Polar Bonds, Polar Reactions
Section: Chapter Questions
Problem 45CTQ
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Why is HF (pKa=3.2) so much less acidic than HCl (pKA=-7)? (check all correct answers)

A) because fluorine has a lower bond dissociation energy than chlorine (True or False)

B) because fluoride and hydronium ion form a contact ion pair (True or False)

C) because the proton forms a strong hydrogen bond to fluoride (True or False)

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