1.The correct name of the following molecule would be A)2-ethyl-3.3-dimethylheptane B)6-ethyl-5,5-dimethylheptane cane C) 3,4,4-trimethyloctane Ans:C 2.What is the name given to the Newman p butane conformation show CH A)anti B)gauche C)staggered D)eclipsed E)skewed Ans:B 3.At room temperature,the various conformations of butane B not inte E)There is no way to determine if interconversion occurs Ans:D Page Page 1 1. The correct name of the following molecule would be: A) 2-ethyl-3,3-dimethylheptane D) 2-butyl-3-methylpentane B) 6-ethyl-5,5-dimethylheptane E) 2-sec-butyl-2-methylhexane C) 3,4,4-trimethyloctane Ans: C 2. What is the name given to the Newman projection of the butane conformation shown here? H H CH3 CH3 H H A) anti B) gauche C) staggered D) eclipsed E) skewed Ans: B 3. At room temperature, the various conformations of butane A) do not interconvert with only the anti form present. B) do not interconvert, but all forms are present. C) interconvert slowly. D) interconvert rapidly. E) There is no way to determine if interconversion occurs. Ans: D