Which of the following are true statements for the given compound in aqueous solution?

Question

I know a is wrong but i dont know about the rest


a) NH3 : A Bronsted base, but not a Lewis base

b) OH - : A Bronsted base and a Lewis base

c) CH3COOH : A Lewis acid, but not a Bronsted acid

d) Ni 2+(aq) : A Bronsted acid, but not a Lewis acid

e) CH3CH2CH2CH3 : Both a Bronsted acid and a Lewis acid

Answer 1

Only b is correct.