1.

Which equilibrium can be described as an acid-base reaction using the Lewis acid-base definition but not using the Bronsted-Lowry definition

Answer»

`2NH_(3) + H_(2)SO_(4) hArr 2NH_(4)^(+) + SO_(4)^(2-)`
`NH_(3) + CH_(3)COOH hArr NH_(4)^(+) + CH_(3)COO^(-)`
`H_(2)O + CH_(3)COOH hArr H_(3)O^(+) + CH_(3)COO^(-)`
`[Cu(H_(2)O)_(4)]^(2+) + 4NH_(3) hArr [Cu(NH_(3))_(4)]^(2-) + 4H_(2)O`

SOLUTION :It involves gain and LOSS of electron pair (LEWIS concept).


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