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JEE CHEMISTRY MCQ: 13 TH GROUP ELEMENTS (P-BLOCK)

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In the following [Al(H2O)6]3+(p)+HCO3−(q)⇔[Al(H2O)5OH]2+(r)+H2CO3(s)\underset{(p)}{\left[{Al}\left({H}_2 {O}\right)_6\right]^{3+}}+\underset{(q)}{{HCO}_3^{-}} \Leftrightarrow \underset{(r)}{\left[{Al}\left({H}_2 {O}\right)_5 {OH}\right]^{2+}}+\underset{(s)}{{H}_2 {CO}_3} species behaving as Brosnted-Lowry acids are
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Correct option: A
(p),(s)(p), (s)
Option A ((p),(s)(p), (s)) is correct because in the forward reaction, [Al(H2O)6]3+[{Al}({H}_2 {O})_6]^{3+} donates a proton, and in the reverse reaction, H2CO3{H}_2 {CO}_3 donates a proton, thus acting as Bronsted-Lowry acids.

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