Question

Which of the following species has a trigonal planar shape?

• A.
• B. $CH_{3}^{+}$
• C. $BF_{4}^{-}$
• D. $SiH_{4}$

Answer 1

Answer: (B)

$CH_{3}^{+}$

Answer 2

hybridized, trigonal planar with bond angle $120^{\circ}$.