Symmetry

Determine the point group of NH3

• C_3v

• D₂

• D_2h

• C_3h

Point group of water

• D₂

• D_2h

• C_2v

• C_2h

How many operations/elements are in symmetry

• 4

• 5

• 6

• 7

Rotation operation has the symbol

• S_n

• C_n

• i

• E

Which of the following compounds has a point group C₂?

• H₂O

• H₂O₂

• CH₄

• C₂H₄

How many types of rotation does NH₃ have?

• 0

• 1

• 2

• 3

How many types of reflection are there in benzene?

• 0

• 1

• 2

• 3

The mirror plane of a compound is called

• rotation

• reflection

• inversion

• identification

Point group of the compound trans-[Co(en)₂Cl₂]⁺

• C_2h

• C_4v

• D_2h

• D_4v

Point group of [Cr(CO)₆]

• D_6h

• O_h

• O_6h

• O