1.

The correct order of electron gain enthalpy with negative sign of F, Cl, Br and I, having atomic numbers 9, 17, 35 and 53 respectively is

Answer»

`I GT BR gt CL gt F`
`F gt Cl gt Br gt I`
`Cl gt F gt Br gt I`
`Br gt Cl gt I gt F`

SOLUTION :`Cl gt F gt Br gt I`.


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