First slide

Electronic configuration and Atomic , physical properties

Question

( I ) F - F bond has low bond dissociation energy
( II ) Fluorine has lower reactivity

Easy

A

I and II both are true
B

I is true and II is false
C

I is false and II is true
D

I and II are false

Solution

Bond enthalpy of F₂ is very less, because lone pair - lone pair repulsions are appreciable in F₂ as the bond length is small in F₂.

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