The group of molecules having identical shape is :
Show Hint
- \(\mathrm{SF_4,\ XeF_4,\ CCl_4}\)
- \(\mathrm{ClF_3,\ XeOF_2,\ XeF_3^+}\)
- \(\mathrm{BF_3,\ PCl_3,\ XeO_3}\)
- \(\mathrm{PCl_5,\ IF_5,\ XeO_2F_2}\)
The Correct Option is B
Solution and Explanation
Option (2): \(\mathrm{ClF_3}\) (3 bp + 2 lp, sp3d), \(\mathrm{XeOF_2}\) (2 F + 1 O bonded + 2 lp, sp3d) and \(\mathrm{XeF_3^+}\) (3 bp + 2 lp, sp3d) are all T-shaped: identical.
Option (3): \(\mathrm{BF_3}\) trigonal planar, \(\mathrm{PCl_3}\) pyramidal, \(\mathrm{XeO_3}\) pyramidal: different.
Option (4): \(\mathrm{PCl_5}\) trigonal bipyramidal, \(\mathrm{IF_5}\) square pyramidal, \(\mathrm{XeO_2F_2}\) see-saw: different.
Answer: (2) \(\mathrm{ClF_3,\ XeOF_2,\ XeF_3^+}\)
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