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) \[s,{{p}_{x}},{{p}_{y}},{{p}_{x}},{{d}_{{{z}^{2}}}}\]
D) \[{{d}_{{{x}^{2}}-{{y}^{2}}}},s,{{p}_{x}},{{p}_{y}}\]
Correct Answer: C
Solution :
Since, the geometry of \[\text{As}{{\text{F}}_{\text{5}}}\]molecule is trigonal bipyramidal, it is \[s{{p}^{3}}d\]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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