Question

What is the geometry of water molecule?

• A. Distorted tetrahedral
• B. Tetrahedral
• C. Trigonal planer
• D. Diagonal

Answer 1

The correct option is A Distorted tetrahedral

Water molecule has distorted tetrahedral geometry. $O$ atom has $2$ lone pairs and $2$ bond pairs of electrons. $O$ atom is $s{p}^3$ hybridised which results in a tetrahedral geometry. Due to lone-pair lone-pair, lone-pair bond-pair and bond-pair bond-pair repulsions, the $H-O-H$ bond angle is slightly lower than tetrahedral bond angle of ${108}^0$.