3. All of the following are strong acids except
A. HNO3
B. HCl
C. N2SO4
D. H3PO4
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Answer:
HCl is the strong acid except
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is not a strong acid.
- The acidity of a species is defined by its hydrogen ion realising tendency. As the hydrogen realising tendency increases the acidity of the species also increases.
is a strong acid called nitric acid and can easily release hydrogen ions.
is a strong acid called hydrochloric acid and can easily release hydrogen ions.
is a strong acid called sulfuric acid and can easily release hydrogen ions.
is a weak acid called phosphoric acid and can't easily release hydrogen ions due to strong O-H bonds.
- Hence the correct option is D.
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