Q. Which of the following does not contain any coordinate bond?

2000 193 BITSATBITSAT 2011 Report Error

A

$H_{3} O^{+}$

31%

B

$B F_{4}^{-}$

7%

C

$H F_{2}^{-}$

38%

D

$N H_{4}^{+}$

24%

Solution:

Correct answer is (c) $H F_{2}^{-}$