Question

Strongest conjugate base is

• A. $Cl^-$
• B. $Br^-$
• C. $F^-$
• D. $I^-$

Answer 1

Answer: (C)

$F^-$

Answer 2

$HF$ is weakest acid due to its maximum bond strength. Therefore, $F ^{-}$is the strongest base (It is a conjugate base of weakest acid $HF$).