Table of Contents
Which boat conformation is more stable?
The boat conformation can sometimes be more stable than it is usually, by a slight rotation in the C-C bonds and is called the skew boat conformation. Nevertheless, the chair conformation is the most stable cyclohexane form.
Is the chair or boat conformer more stable?
The chair conformation is the most stable conformation of cyclohexane. A second, much less stable conformer is the boat conformation. This too is almost free of angle strain, but in contrast has torsional strain associated with eclipsed bonds at the four of the C atoms that form the side of the boat.
Which conformer is more stable?
Staggered conformation of ethane is most stable while eclipsed conformation is least stable because staggered form has the least torsional strain and the eclipsed form has the maximum torsional strain.
Why is the chair form more stable lower in energy than the boat form?
Answer: Chair conformation of cyclohexane is more stable than boat form because in chair conformaion the C-H bonds are equally axial and equatorial, i.e., out of twelve C-H bonds, six are axial and six are equatorial and each carbon has one axial and one equatorial C-H bond.
Is gauche or anti more stable?
The gauche form is less stable than the anti form due to steric hindrance between the two methyl groups but still is more stable than the eclipsed formations.
Which chair conformation is most stable?
The most stable conformation of cyclohexane is the chair form shown to the right. The C-C-C bonds are very close to 109.5o, so it is almost free of angle strain. It is also a fully staggered conformation and so is free of torsional strain.
Which form is more stable anti or gauche?
The gauche form is less stable than the anti form by 0.9 kcal/mol due to steric hindrance between the two methyl groups.
In which case gauche form is more stable than anti form?
The guache conformation of ethylene glycol is more stable than its anti conformation Statement-2.
Which conformation is more stable gauche or anti?
In the study of conformational isomerism, the Gauche effect is an atypical situation where a gauche conformation (groups separated by a torsion angle of approximately 60°) is more stable than the anti conformation (180°).
Which conformation is more stable gauche or anti-staggered?
But in both above cases “anti” conformation is more stable. Generally anti staggered conformers are more stable than gauche conformers but if the given compound shows intra molecular hydrogen bonding or ion dipole interaction in gauche form than its gauche form will be more stable than anti staggered form.
Why is racemic form more stable than meso-gauche conformation?
In both, gauche conformers predominate because they permit formation of intramolecular H-Bond. Due to steric interaction between gauche methyls (closer) in meso-gauche conformation, racemic form is more stable than meso forms.
Why ethylene glycol is most stable in gauche conformation?
Ethylene glycol is most stable in the gauche conformation because of intramolecular hydrogen bonding between two OH group. The molecules in which there are no hydrogen bond forming group then anti form will be the most stable due to least strain.
Which conformation is most stable due to least strain?
The molecules in which there are no hydrogen bond forming group then anti form will be the most stable due to least strain. What is the most stable conformation of n-hexane?