Solid State Question 167
Question: Which of the following molecules has three-fold axis of symmetry
[UPSEAT 2004]
Options:
A) $ NH_3 $
B) $ C_2H_4 $
C) $ CO_2 $
D) $ SO_2 $
Show Answer
Answer:
Correct Answer: A
Solution:
In $ NH_3 $ molecule, the original appearance is repeated as a result of rotation through $ 120^{o} $ . Such as axis is said to be an axis of three-fold symmetry or a triad axis.
BETA
