1.

How would you account for the following: XeF_2 is a linear molecule without a bend.

Answer»

Solution :` XeF_2`, in fact is a trigonal bipyramidal molecule, with three equitorial positions being occupied by lone pair of electrons and two FLUORINE ATOMS occupying axial position. This is to REDUCE the REPULSIONS between the lone pairs and bond pairs. The STRUCTURE is given below :


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