Equilibrium Question 799

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

Options:

A) 2NH3+H2SO42NH4++SO42

B) NH3+CH3COOHNH4++CH3COO

C) H2O+CH3COOHH3O++CH3COO

D) [Cu(H2O)4]2++4NH3[Cu(NH3)4]2++4H2O

Show Answer

Answer:

Correct Answer: D

Solution:

[Cu(H2O)4]2++4NH3[Cu(NH3)4]2++4H2O involves lose and gain of electrons. H2O is coordinated to Cu by donating electrons (LHS). It is then removed by withdrawing electrons.



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