VSEPR - Bond Angles

AXnEm designation ?

at C

at O

Define bond angles 1 and 2

Angle 1 = H-C-H = ?

Angle 2 = H-O-C = ?

Answer:

H

H

Angle 2

••

H—C—O—H

Angle 1

Methanol, CH3OH

109o because both the C and O

atoms are surrounded by 4 electron pairs.

••

AX4 = tetrahedral

AX2E2 = bent

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