If the symbol x represents a central atom, y represents outer atoms, and z represents lone pairs on the central atom, the structure (2 lone pairs around x) could be abbreviated as xy2z2. classify these structures according to their shape.

molecular geometries:

linear

bent 120

bent 109

trigonal pyramidal

t-shaped

see saw

square planar

square pyramidal

The correct option is: bent 109°

Explanation:

Covalent molecules are the molecules in which the atoms are linked by covalent bonds. The electrons involved in the formation of a covalent bond are known as shared pair or bond pair of electrons.

The three-dimensional arrangement of the atoms of a molecule in space is known its molecular structure or geometry.

Given molecule: XY₂, having two lone pairs around the central atom X.

Since the molecule XY₂ has two lone pairs and two bond pairs of electrons. Therefore according to the VSEPR theory, the given molecule has a bent molecular geometry with 109° bond angle.

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