Question

Complete the following Table.

Molecule	Type of Hybridization	Type of bonds	Geometry	Bond angle
CH4	-	4C-H 4σ bonds	Tetrahedral	-
NH3	sp3	3N-H 3σ bonds 1 lone pair	-	-
H2O	-	-	angular	104.5°
BF3	sp2	-	-	120°
C2H4	-	-	-	120°
BeF2	-	2 Be-F	Linear	-
C2H2	sp	(3σ+2π) 1C-C σ 2C-H σ 2C-C π	-	-

Answer 1

Molecule	Type of Hybridization	Type of bonds	Geometry	Bond angle
CH4	sp3	4C-H 4σ bonds	Tetrahedral	109.5°
NH3	sp3	3N-H 3σ bonds 1 lone pair	Pyramidal	107°18′
H2O	sp3	2 O–H, 2 σ bonds 2 lone pairs	angular	104.5°
BF3	sp2	3 B–F, 3 σ bonds, One empty p orbital	Trigonal planar	120°
C2H4	sp2	(5 σ + 1 π) 1C–C σ, 4C–H σ, 1C-C	Trigonal planar	120°
BeF2	sp	2 Be-F	Linear	180°
C2H2	sp	(3σ+2π) 1C-C σ 2C-H σ 2C-C π	Linear	180°