1.

F_2 is gas but I_2 is solid, because

Answer»

LARGER LONDON forces are PRESENT in `I_2` when compared to `F_2` 
Lesser number of london forces are present in `I_2` when compared to `F_2`
`F_2` and `I_2` has same extent of london forces
`I_2` has low bond DISSOCIATION energy

Solution :London force `UARR implies ` stronger IMF `implies ` solid .


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