Which of the following equilibria represents | vedclass

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(D) $Lewis$ acid-base reaction involves the donation of a lone pair of electrons from a $Lewis$ base to a $Lewis$ acid to form a coordinate covalent b

Vedclass · Accepted Answer

$Cu^{2+} + 4NH_3 \rightleftharpoons [Cu(NH_3)_4]^{2+}$

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(D) $Lewis$ acid-base reaction involves the donation of a lone pair of electrons from a $Lewis$ base to a $Lewis$ acid to form a coordinate covalent bond.In the reaction $Cu^{2+} + 4NH_3 \rightleftharpoons [Cu(NH_3)_4]^{2+}$,the $Cu^{2+}$ ion acts as a $Lewis$ acid (electron pair acceptor) and $NH_3$ acts as a $Lewis$ base (electron pair donor).This reaction does not involve the transfer of a proton $(H^+)$,which is the defining characteristic of a $Br\o nsted$ acid-base reaction. Therefore,it is a $Lewis$ acid-base reaction but not a $Br\o nsted$ acid-base reaction.

Which of the following equilibria represents a $Lewis$ acid-base reaction but not a $Br\o nsted$ acid-base reaction?

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