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  4. Based on VSEPR theory, the number of 90 degree F-Br-F angles in BrF5 is

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Q. Based on $VSEPR$ theory, the number of $90$ degree $F-Br-F$ angles in $BrF_{5}$ is

Chemical Bonding and Molecular Structure

Solution:

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All four planar bonds $(F-Br-F)$ will reduce from $90^{o}$ to $84.8^{o}$ after $lp - bp$ repulsion.