1.

Strength of halogen acids, HF, HCl, HBr and HI varies as :

Answer»

`HF GT HCL gt HBr gt HI`
`HF gt HBr gt HI HCl`
`HBr gt HI gt HCl gt HF`
`HI gt HBr gt HCl gt HF.`

ANSWER :D


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