Question

The maximum extent of $H$ -bonding is shown by

• A. $H_{2}O$
• B. $H_{2}Se$
• C. $H_{2}S$
• D. $HF$

Answer 1

Answer: (A)

Both $H_{2}O$ and $HF$ show $H$ - bond formation, but maximum no. of hydrogen bonds in $H_{2}O$ is four whereas fluorine forms only one $H$ - bond in $HF$.