Question

In which structure are three atoms bonded together in a straight line?

A poly(ethene), ]

B propane, C3H8

C silicon tetrachloride, SiCl4

D sulfur hexafluoride, SF6

( ) CH2

Answer 1

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In A, B and C carbon and silicon atoms have tetraedral surrounding (hybridization sp³), no thirds of atoms, bonded in a line.

In D sulfur hexafluoride has perfect tetragonal bipyramidal structrure (hybridization sp³d²), there opposite fluorine atoms, along with central sulfur atom, are connected in a straight line.