Question

Which of the hydrogen halides forms salts like $KH{X}_2$ (where X is a halogen atom)

• A. HF
• B. HCl
• C. HI
• D. HBr

Answer 1

Answer: (A)

$KH{F}_2$ as fluorine forms $H{F}_2^{-}$ ion due to hydrogen bonding (F-H.......F).