Chemistry

Problem

The ionisation of codein in 0.01 M solution shows a

\text{pH} = 10.1

. The ionisation constant of codein is : a.

1.6 \times 10^{-4}

1.6 \times 10^{-6}

1.6 \times 10^{-8}

1.6 \times 10^{-3}