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Worksheetsconformational isomerism
Total questions: 10
Worksheet time: 6mins
Which one of the following will exhibit conformational isomerism?
Ethylene
methane
chloromethane
propane
Most stable conformation of cyclohexane is
chair
boat
twist boat
half chair
The energy barrier for rotation of C-C bond in ethane is
4 kcal/mol
5 kcal/mol
3 kcal/mol
2 kcal/mol
Which of the following compound has gauche as it stable conformer?
n-butane
n-propane
1,2-dicloroethane
1,2-dihydroxyethane
Which of the following shows syn /anti isomerism?
azo compounds
oximes
hydrazines
amines
Which of the two is more stable ?
Equatorial
Axial
Both are equal
The most unstable conformer in cyclohexane?
Boat
Chair
Twist boat
half chair
Which of the following conformers is not a transition state?
Boat
half chair
fully eclipsed
twist boat
Which other factor along with torsion decide the stability of conformer?
Intermolecular hydrogen bonding
Intramolecular hydrogen bonding
coordinate bonding
ionic bonding
Identify the conformation
Boat
Chair
twist boat
half chair
