Which of the following Lewis acid-base reactions are not Bronsted acid-base reactions ?

Question

hich of the following Lewis acid-base reactions are not Bronsted acid-base reactions ?


a) CH3COOH(aq) + NH3(aq) = CH3COO-(aq) + NH4 +(aq)

b) Cu 2+(aq) + 4NH3(aq) = Cu(NH3)42+(aq)

c) BeF2(aq) + 2F-(aq) = BeF4 2-(aq)

d) H2SO4(aq) + H2O(l) --> H3O+(aq) + HSO4-(aq)

Note- there can eb more than one answer

Answer 1

Look for ones where there is no proton transfer.

b and c qualify.