Question

Place the following in order of decreasing X-A-X bond angle, where A represents the central atom and X represents the outer atoms in each molecule.CS2 CF4 SCl2CS2 > SCl2 > CF4CF4 > SCl2 > CS2CF4 > CS2 > SCl2CS2 > CF4 > SCl2SCl2 > CF4 > CS2Step by Step

Answer 1

Answer:

$CS_{2}$ > $CF_{4}$ > $SCl_{2}$

Explanation:

The X-A-X bond angle means the angle between the surrounding 'X' atoms and the central 'A' atom. The compound $CS_{2}$ has two bond pairs and it is linear in shape. Its bond angle is 180 degrees. The compound $CF_{4}$ has four bond pairs and it is tetrahedral in shape. Its bond angle is 109.5 degrees. The compound $SCl_{2}$ has a bond angle of approximately 109.5 degrees. Therefore the decreasing order of bond angle is:

$CS_{2}$ > $CF_{4}$ > $SCl_{2}$

Answer 2

The correct order of decreasing X-A-X bond angle is CS2 > CF4 >SCl2.

What is bond angle?

The term bond angle refers to the dihedral angle that exists between two atoms that are bonded to the same central atom. Usually, the central atom is the least electronegative atom of the three.

Looking at the compounds involved, we will see that the correct order of decreasing X-A-X bond angle, where A represents the central atom and X represents the outer atoms in each molecule is CS2 > CF4 >SCl2.

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