Which of the following statements is true?
1.An axial group encounters more steric strain than an equatorial group.
2.All substituted cycloalkanes possess axial and equatorial bonds.
3.Only cyclopentane rings possess axial and equatorial bonds.
4.Cyclohexane derivatives are more stable with axial substituents than with equatorial substituents.
5.A cyclic compound cannot contain a double bond.
Question 2
Which of the following may not contribute to the overall energy of a cycloalkane?
1.torsional strain
2.angle strain
3.hydrogen bonding
4.steric strain
5.All of these contribute to the overall energy of a cycloalkane.
The Laocoön Group, Roman copy, perhaps after Agesander, Athenodorus, and Polydorus of Rhodes.
Shaking. A form of coarse vibration to a muscle or muscle group.
E. coli O157: H7 is the strain of E. coli bacteria that causes the most foodborne illness
Group of Bees
Splicing mechanism for removal of group I introns
Production of ABO blood group antigens