1.

The order of melting point , boiling point and densities of halogens

Answer»

GRADUALLY decreases from `F_(2)` to `I_(2)`
Gradually INCREASES from `F_(2)toI_(2)`
Decreases from `F_(2)`to`Br_(2)` and then increases
Increases from `F_(2)` to `Br_(2)` and then decreases

Answer :B


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