Chemistry

Problem

The

K_a

of acetic acid is

1.8\times10^{-5}

at 25 °C, whereas the

K_a

of chloroacetic acid is

1.3\times10^{-3}

. By what factor is chloroacetic acid stronger than acetic acid, as measured by the ratio

K_a(\text{chloroacetic})/K_a(\text{acetic})

? a)

7.2

72

40

720