A) When 2.50 g of SO2 is heated with excess oxygen, 2.50 g of SO3 is obtained.
2SO2 + O2 → 2SO3

your answers are a,b,,e and f

i hope this

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be