First slide

Chemical properties

Question

The M–O–M bond angles in M₂O (where M is halogen) is in the order

Easy

A

Br₂O > Cl₂O > F₂O
B

F₂O >Br₂O >Cl₂O
C

F₂O > Cl₂O > Br₂O
D

Cl₂O > F₂O >Br₂O

Solution

Br₂O > Cl₂O > F₂O.
Bond angle decreases because the electronegitivity of halogen atom increases and halogen atom pulls the bonded electrons towards itself hence bond pair-bond pair repulsions decreases ,bond angle decreases.

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