Rank the following compounds in order of decreasing acid strength using periodic trends. Rank the acids from strongest to weakest. To rank items as equivalent, overlap them. • View Available Hint(s) Reset Help HI H2S H20 HCI Strongest acid Weakest acid O The correct ranking cannot be determined
Rank the following compounds in order of decreasing acid strength using periodic trends. Rank the acids from strongest to weakest. To rank items as equivalent, overlap them. • View Available Hint(s) Reset Help HI H2S H20 HCI Strongest acid Weakest acid O The correct ranking cannot be determined
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Acid Structure and Relative Acidity
The strength of an acid, HA, is often determined by the
strength and polarity of the H-A bond. In general, a
weaker and more polar bond leads to a stronger acid.
Part A
For binary acids of elements in the same group of the
periodic table, the H-A bond strength decreases down
the group, so acidity increases.
Rank the following compounds in order of decreasing acid strength using periodic trends.
Rank the acids from strongest to weakest. To rank items as equivalent, overlap them.
For binary acids of elements in the same row of the periodic
table, the polarity of the H-A bond increases from left to
right (as the electronegativity of A increases), so acid
strength increases.
• View Available Hint(s)
Reset
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For oxoacids, acid strength increases with the oxidation
number of the central atom. If the oxidation number is the
same, acid strength increases with the electronegativity of
the central atom.
HI
H,S
H2O
HCI
Strongest acid
Weakest acid
O The correct ranking cannot be determined
Submit
Part B
re to search

Transcribed Image Text:t to
Part B
tion
Without consulting the table of acid-dissociation constants, match the following acids to the given Ka values.
is the
ativity of
Drag the appropriate items to their respective bins.
• View Available Hint(s)
Reset
Help
H2S
H2SO,
H,SO3
Kal= 1.7 x 10-7
Ka = 1.7 x 10-2
Kavery large
3/1
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