Theories of acids and bases
3 marks · EasyFor each of the following reactions, identify the acid and the base according to the Bronsted-Lowry theory.
Acid: ________ Base: ________
Acid: ________ Base: ________
Acid: ________ Base: ________
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(a) Acid: H_2O; Base: NH_3
(b) Acid: H_2SO_4; Base: CuO
(c) Acid: H_2O; Base: O^{2-}
Common mistakes: Reversing acid/base roles
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Marking points
B1 (a) · 1 mark · Correctly identifies acid and base for part (a).
B2 (b) · 1 mark · Correctly identifies acid and base for part (b).
B3 (c) · 1 mark · Correctly identifies acid and base for part (c).
Worked solution
a) Acid: H_2O (proton donor), Base: NH_3 (proton acceptor).
b) Acid: H_2SO_4 (donates protons), Base: CuO (accepts protons).
c) Acid: H_2O (donates proton), Base: O^{2-} (accepts proton).