What is the conjugate base of C6H5COOH?

Answer 1

'Conjugate' means ONE proton (H+) more (acid) or less (base) than the described acid or base respectively:

So the conjugate acid of C6H5NH2 is C6H5NH3+ (phenylammonium cation)

Answer 2

The conjugate base of C6H5COOH (benzoic acid) is C6H5COO-. When benzoic acid loses a proton (H+), it forms the benzoate ion as its conjugate base.

Answer 3

Its conjugate base is Pyridine C5H5N.

Answer 4

C6h5nh2

Answer 5

C6h5nh3+

Answer 6

N2h4

Answer 7

C6h5coo-

Answer 8

H30+