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the most stable conformation of ethylene glycol and but-2-ene are respectively (A) anti and anti (B) gauche and anti (C) gauche and gaushe (D) partially eclipsed and anti ...please tell the answer with proper reason........thank you

the most stable conformation of ethylene glycol and but-2-ene are respectively
(A) anti and anti
(B) gauche and anti
(C) gauche and gaushe
(D) partially eclipsed and anti
...please tell the answer with proper reason........thank you

Grade:11

9 Answers

SAGAR SINGH - IIT DELHI
879 Points
10 years ago
Dear student,

The correct option is a) anti and anti

Reason: In anti position there is least strain so more stabilty

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Askiitians Expert

Sagar Singh

B.Tech, IIT Delhi

Vishes Rao
41 Points
6 years ago
sagar sir how did you pass iit exam you didn’t know that due to hydrogen bonding the most stable conformation of ethylene glycol is in gauche form and but-2-ene is in anti form
 
Vishes Rao
41 Points
6 years ago
sagar sir how did you pass the iit exam that you didn't know that due to hydrogen bonding ethylene glycol has gauge conformation and but-2-ene has anti conformation
Gman Namg
420 Points
6 years ago
@ vishes rao it is asked for the most stable
Gman Namg
420 Points
6 years ago
A option anti anti is correct
Vishes Rao
41 Points
6 years ago
therfore correct answer is b) gauge and anti
Vishes Rao
41 Points
6 years ago
no gman namg the correct ans is B) as in ethylene glycol the two  OH grp form hydrogen bonding in gauge conformation and become most stable
Urja
13 Points
6 years ago
A functionl isomer of 1- but ye ne is
Pankhuri Srivastava
11 Points
3 years ago
Due to hydrogen bonding gauche is more stable than anti conformer in ethylene glycol and for but-2-ene anti is most stable

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