a) HBr : A Bronsted acid and a Lewis acid
b) HCN : A Lewis acid, but not a Bronsted acid
c) CH3CH2CH2COOH : A Lewis acid, but not a Bronsted acid
d) Cu 2+(aq) : A Bronsted acid, but not a Lewis acid
e) C6H6 : Both a Bronsted acid and a Lewis acid
There can be more than one answer
2007-04-20 17:09:10 · 2 answers · asked by monique 2 in Science & Mathematics ➔ Chemistry
Well...a bronsted acid is a proton donor, and a lewis acid is an electron acceptor.
So...
A) Definitely a bronsted, and also a lewis acid
B) Hydrogen Cyanide can definitely be a bronsted acid, since it gives up a proton to form cyanide ion, so this is false
C) Butyric acid is also a bronsted acid (proton donor) so both statements are not correct
D) cupric ion is not a bronsted acid (has no protons to give away) so this is also false
E) C6H6 is not a bronsted acid since it doesn't readily give up protons, but can act as a lewis acid, so this statement is also false.
2007-04-20 18:23:57 · answer #1 · answered by Anonymous · 1⤊ 1⤋
d and e.
2007-04-20 18:36:31 · answer #2 · answered by ag_iitkgp 7 · 0⤊ 1⤋