A) \[{{d}_{{{x}^{2}}-{{y}^{2}}}},\,\,{{d}_{{{z}^{2}}}},\,\,s,\,\,{{p}_{x}},\,\,{{p}_{y}}\]
B) \[{{d}_{xy}},\,\,s,\,\,{{p}_{x}},\,\,{{p}_{y}},\,\,{{p}_{z}}\]
C) \[s,\,\,{{p}_{x}},\,\,{{p}_{y}},\,\,{{p}_{z}},\,\,{{d}_{{{z}^{2}}}}\]
D) \[{{d}_{{{x}^{2}}-{{y}^{2}}}},\,\,s,\,\,{{p}_{x}},\,\,{{p}_{y}}\]
Correct Answer: C
Solution :
Since, the geometry of \[As{{F}_{5}}\] molecule is trigonal bipyramidal, it is hybridised. Thus, \[s,\,\,{{p}_{x}},\,\,{{p}_{y}},\,\,{{p}_{z}}\] and \[{{d}_{{{z}^{2}}}}\] orbitals are utilised by \[As\] atom for bonding.
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