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Free Online Mock Chemistry Multiple Choice Test on Stereochemistry-nomenclature
Sub Category : Stereochemistry-nomenclature Test : 9 Time Left :
1)Which of the following conformations of n-butane is the least stable?
(1) Gauche (2) Anti (3) Eclipsed (4) Fully eclipsed
  1 2 3 4
 
2) The dihedral angle between two methyl groups in eclipsed conformation of n-butane is(1) 180 degree (2) 120 degree (3) 90 degree (4) 109 degree 28
  1 2 3 4
 
3)Total number of conformations of ethane are
(1) 2 (2) 3 (3) 4 (4) Infinite
1 2 3 4
 
4) Which of the following conformations of butane is most stable?
(1) Skew (2) Anti (3) Gauche (4) Eclipsed
1 2 3 4
 
5) Dihedral angle between two methyl groups in gauche conformation of n-butane is(1) 109 degree 28 (2) 120 degree (3) 180 degree (4) 60 degree
1 2 3 4
 
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