Class 11

11. Organic chemistry - Some basic principles and techniques question bank (Chemistry)

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Q1.

The number of structural isomers possible from  
the molecular formula C₃H₉N is:  

(A)
2
(B)
3
(C)
4
(D)
5
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Q2.

The correct statement regarding the comparison  
of staggered and eclipsed conformation of ethane is :-  

(A)
The staggered conformation of ethane is less stable than eclipsed conformation, because staggered conformation has torsional strain
(B)
The eclipsed conformation of ethane is more stable than staggered conformation, because eclipsed conformation has no torsional strain
(C)
The eclipsed conformation of ethane is more stable than staggered conformation even though the eclipsed conformation has torsional strain
(D)
The staggered conformation of ethane is more stable than eclipsed conformation, because staggered conformation has no torsional strain.
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