Question

Which of the following molecules contain a C3 axis and a σh plane? (There might be more than one answer correct )

SbCl₃

AlBr₃

PCl₃

TeO₃

Which of the following species contain an inversion center? Choose all that apply.

SeF₆

SiBr₄

InH₃

[IF₄]^-

Which of the following molecules contain a C3 axis but not a σh plane?

AlF₃

NBr₃

AsH₃

SO₃

Which of the following species contain a C4 axis and a σh plane? Choose all that apply.

[PO₄]^3-

[BrCl₄]^–

SiCl₄

GeBr₄

XeF₄

Answer 1

PART 1: AlBr3, TeO3

PART 2:SeF6

PART 3: NBr3, AsH3

PART 4: BrCl4, XeF4

EXPLANATION

C3 are spins of 120 degree

C4 are spins of 90 degree

horizontal plane