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# The geometry and bond angles of $IF_7$ respectively

$\begin{array}{1 1}(a)\;\text{Trigonalbipyramidal},90^{\large\circ}\;and\;120^{\large\circ}\\(b)\; \text{Pentagonalbipyramidal},90^{\large\circ}\;and\;72^{\large\circ}\\(c)\;\text{Pentagonalbipyramidal},90^{\large\circ}\;and\;120^{\large\circ}\\(d)\;\text{Trigonalbipyramidal},90^{\large\circ}\;and\;72^{\large\circ}\end{array}$

$IF_7$ is Pentagonalbipyramidal with an angles of $72^{\large\circ}$ & $90^{\large\circ}$
Hence (b) is the correct answer.