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The structures below are the same. The structures below are the same.

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Draw the most stable conformation of trans-1,4-dipropylcyclohexane.

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Place the following alkanes in order of increasing boiling point: CH3(CH2)6CH3, CH3(CH2)5CH3, (CH3)3CCH2CH2CH3

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(CH3)3CCH2CH2C...

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Arrange the following Newman projections of butane in order of energy. Arrange the following Newman projections of butane in order of energy. A) I<III<II<IV B) IV<II<III<I C) III<I<IV<II D) II<IV<I<III


A) I<III<II<IV
B) IV<II<III<I
C) III<I<IV<II
D) II<IV<I<III

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Provide an acceptable name for (CH3CH2CH2)3CH.

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In the lowest energy chair conformation of cis-1,3-dimethylcyclohexane, how many axial positions are occupied by hydrogen atoms?


A) 2
B) 3
C) 4
D) 5
E) 6

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How many methylene groups are present in 2,4-dimethylhexane?


A) 0
B) 1
C) 2
D) 6
E) 8

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Consider rotation about the C3-C4 bond of hexane, and draw the Newman projection for the most stable conformation.

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In a Newman projection, siting down the C3-C4 bond, draw the structure below in its most stable conformation. In a Newman projection, siting down the C3-C4 bond, draw the structure below in its most stable conformation.

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Provide an acceptable name for [(CH3)3C]2CHCH3.

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2,2,3,4,4-...

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Draw the most stable conformation of cis-1,2-dimethylcyclohexane.

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Name the alkane shown. [(CH3)2CH]2CHCH3

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2,3,4-trim...

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Convert the Newman structure below to the equivalent line-angle structure. Convert the Newman structure below to the equivalent line-angle structure.

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Which of the following statements regarding cyclobutane is correct?


A) The lowest energy conformation of cyclobutane is a planar one in which all of the bond angles is 90°.
B) The lowest energy conformation of cyclobutane is known as the chair conformation.
C) The lowest energy conformation is one in which the bond angles are slightly less than 90° even though this increases angle strain.
D) The lowest energy conformation is one in which the bond angles are greater than 90° so that angle strain is significantly reduced.
E) None of the above statements is correct.

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Showing 121 - 134 of 134

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