MCQ
Which equilibrium can be described as an acid-base reaction using the Lewis acid-base definition but not using the Bronsted-Lowry definition
  • A
    $2N{H_3} + {H_2}S{O_4}\rightleftharpoons 2NH_4^ + + SO_4^{2 - }$
  • B
    $N{H_3} + C{H_3}COOH\rightleftharpoons NH_4^ + + C{H_3}CO{O^ - }$
  • C
    ${H_2}O + C{H_3}COOH\rightleftharpoons {H_3}{O^ + } + C{H_3}CO{O^ - }$
  • ${[Cu{({H_2}O)_4}]^{2 + }} + 4N{H_3}\rightleftharpoons {[Cu{(N{H_3})_4}]^{2 + }} + 4{H_2}O$

Answer

Correct option: D.
${[Cu{({H_2}O)_4}]^{2 + }} + 4N{H_3}\rightleftharpoons {[Cu{(N{H_3})_4}]^{2 + }} + 4{H_2}O$
(d) It involves gain and loss of electron pair (Lewis concept).

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