15. Which of the following sets of molecular structure are incorrect?
I. selenium trioxide: T-shaped structure
II. silicon tetrafluoride: tetrahedral structure
III. xenon tetrafluoride: tetrahedral structure
IV. arsenic pentachloride: trigonal bipyramidal structure
V. nitrite ion: V-shaped structure
(A) III, V
(B) II, III, V
(C) I, II, III,V
(D) I, III
(E) I, IV, V
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