1.

KF combines with HF to form KHF_(2) The compound contains the species .

Answer»

`K^(o+),F^(Θ)` and `H^(o+)`
`K^(o+),F^(Θ)` and `H^(o+)`
`K^(o+)` and `[HF_(2)]^(Θ)`
`[KHF]^(o+)` and `F_(2)`

Solution :`KHF_(2) RARR K^(o+) + HF_(2)^(Θ)`
`HF_(2)^(Θ)` ion is STABILISED by H-bonding .


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