Question

Which of the following has covalent as well as ionic valency ?

• A. NaCl
• B. NaOH
• C. $H_{2}O$
• D. HClC(g)

Answer 1

Answer: (B)

In NaOH, the bond between O and H is covalent while that between $N{a}^{-}$ and $O{H}^{+}$ is ionic