Which of the following is the correct order of stability of conformational isomers of 2-amino ethan-1-ol?
A
Gauche 
eclipsed 
anti
eclipsed anti
B
Gauche 
anti 
eclipsed
anti eclipsed
C
Eclipsed 
gauche 
anti
gauche anti
D
Anti 
eclipsed 
gauche
eclipsed gauche
Text Solution
Verified by ExpertsThe correct answer is:
B
Hydrogen bonding The presence of hydrogen bonding stabilises the structure.
The conformations of 2-amino-ethan-1-ol are
Out of above, gauche form have more stability due to hydrogen bonding.
So, the correct order is gauche 
ant 
eclipsed.
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