Question

Which of the following molecule/ions has triangular pyramidal shape ?

• A. $B{F}_3$
• B. $N{O}_3^{-}$
• C. $H_3{O}^{+}$
• D. $C{O}_3^{2-}$

Answer 1

Answer: (C)

$H_3{O}^{+}$ion has trigonal pyramidal shape because of lone pair of electrons on oxygen.