Browse Questions

The correct order of magnitude of bond angles among the compounds $CH_4, NH_3 \: and \: H_2O$ is:

$\begin {array} {1 1} (1)\;CH_4 < H_2O < NH_3 & \quad (2)\;H_2O < NH_3 < CH_4 \\ (3)\;NH_3 < CH_4 < H_2O & \quad (4)\;NH_3 < H_2O < CH_4 \end {array}$