Question

KF(aq) + HF(aq) $\leftrightarrow$ A ions. The ions are _____

• A.
• B. K⁺, F^- and HF
• C. K⁺ and HF₂^-
• D. (KHF)⁺ and F^-

Answer 1

The correct option is C

K⁺ and HF₂^-

In the solution, $K^{+},H^{+}and{F}^{-}$ ions are present.
The $H^{+}and{F}^{-}$ will combine to form HF.
Another $F^{-}$ will attach to the $HF$ to form $H{F}_2^{-}$ because of H-bonding between H and F.
$Therefore{K}^{+}andH{F}_2^{-}$ are present.