Question

Which of the following does not contain any coordinate bond?

• A. $H_3{O}^{+}$
• B. $B{F}_4^{-}$
• C. $H{F}_2^{-}$
• D. $N{H}_4^{+}$

Answer 1

Answer: (C)

Only $H{F}_2^{-}$ has H-bonding $[F-H.....F{]}^{-}$ rest all the molecules have coordinate bonds.