1.

What is thestrcuture of interhalogencompound ofthe type XX_(3) ?

Answer»

Solution :(1) Interhalogen compound of thetype `XX_(3)`possesses trigonalbipyramidal or T-shaped strucure.
(2) Thecentral halgen atomX (X = cl, Br, I) undergoes `sp^(3)` d hydridisation FORMING fivehyridorbitals .
(3) Two hydrid orbitalscontains lone pairsof electrons.
Ground state of X
CONSIDER `CIF_(3)` MOLCULES :

ThebondangleF-Cl - F is `87^(@)29` close to `90^(@)`due to repulsionbetweenlonepairs - lonepairs and lonepairsbondspairs.


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