Answer:
In the formation of diazonium ion intermediate, the 4-sulfanilic acid acts as the Lewis acid, while the sodium nitrite is the Lewis base.
Explanation:
A Lewis acid is by definition an electron pair acceptor (such as the H+ ion, that can accept a pair of non-bonding electrons) and a Lewis base is an electron pair donor (such as the OH- ion, that can donate a pair of non-bonding electrons).
In the formation of diazonium ion intermediate, the 4-sulfanilic acid acts as the Lewis acid(by transference of a lone pair from its nitrogen atom), while the sodium nitrite is the Lewis base.
N.B its sodium nitrite, NaNO2 (which is slightly basic in solution) not nitrate NaNO3 (which is neutral in solution)
4-sulfanilic acid acts as Lewis acid, while Sodium nitrite is the Lewis base.
A Lewis acid is an electron pair acceptor (such as the H+ ion, that can accept a pair of non-bonding electrons) and a Lewis base is an electron pair donor (such as the OH- ion, that can donate a pair of non-bonding electrons).
In the formation of diazonium ion intermediate, the 4-sulfanilic acid acts as the Lewis acid(by transference of a lone pair from its nitrogen atom), while the sodium nitrite is the Lewis base.
Sodium nitrite, NaNO₂ (which is slightly basic in solution) not nitrate NaNO₃ (which is neutral in solution)
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