The molecule having three fold axis of symmetry is:
A
NH3
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B
C2H4
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C
CO2
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D
SO2
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Solution
The correct option is ANH3 A molecule having rotational symmetry is the molecule which looks the same after rotation. n - fold symmetry means that the molecule when rotated by an angle of 360on does not change it. Hence, ammonia gas has three fold axis of symmetry. The given figure shows the three fold axis.