question_answer

In the given conformation, if \[{{C}_{2}}\] is rotated about \[{{C}_{2}}-{{C}_{3}}\] bond anticlockwise by an angle of \[120{}^\circ \] then the conformation obtained is            

A) Fully eclipsed conformation

B) Partially eclipsed conformation

C) Gauche con formation

D) Staggered conformation  

Correct Answer: C

Solution :

[c] Any conformation between two extreme positions i.e. eclipsed and staggered is known as gaucher or skew from.