1.

Which one of the following orders is not proper?

Answer»

`F_2 gt Cl_2 gt Br_2 gt I_2` : Electronegativity
`F_2gt Cl_2 gt Br_2 gt I_2` : BOND DISSOCIATION energy
`F_2 gt Cl_2 gt Br_2 gt I_2 ` : Oxidising power
`HI gt HBr gt HCl gt HF` : Acidic property in WATER

Solution :Bond dissociation energy of `F_2` is less than that of `Cl_2`


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