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Draw a Newman projection of the most stable conformation of 2-methylpropane.

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Draw the most stable conformer of trans-1-ethyl-4-methylcyclohexane.

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Which of the following has the greatest solubility in CH3CH2CH2CH3?


A) CH3OH
B) CH3O- Na+
C) CH3NH2
D) CH3OCH3
E) (CH3) 3CH

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What is the common name for the following structure? What is the common name for the following structure? A) isobutyl bromide B) t-Butyl bromide C) neobutyl bromide D) sec-Butyl bromide E) isopropyl methyl bromide


A) isobutyl bromide
B) t-Butyl bromide
C) neobutyl bromide
D) sec-Butyl bromide
E) isopropyl methyl bromide

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Identify the compound with the highest bond angle.


A) the C-O-C bond in an ether
B) the C-N-C bond in a secondary amine
C) the C-N-C bond in a quaternary amine
D) the C-O-C bond in an alcohol
E) They are all equal.

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What aspect of the fused ring systems present in cholesterol make it an ideal compound to lend rigidity to cell membranes?

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The trans-fused ring systems p...

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Provide an acceptable name for the alkane shown below. Provide an acceptable name for the alkane shown below.

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3-ethyl-6-...

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Provide an acceptable name for the alkane shown below. Provide an acceptable name for the alkane shown below.

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Which compound is more soluble in water? Briefly explain your choice. CH3OCH3 or CH3CH2OH

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CH3CH2OH is more soluble in water since it...

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Provide an acceptable name for the alkane shown below. Provide an acceptable name for the alkane shown below.

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2,2,3,6-te...

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Acetone has higher boiling point than propane because Acetone has higher boiling point than propane because A) double bond in acetone is hard to break. B) acetone has higher molecular weight. C) acetone exhibits dipole-dipole interactions which are stronger than van der Waal's interactions in propane. D) acetone exhibit hydrogen bonding which is stronger than van der Waal's interactions in propane. E) acetone has higher surface area.


A) double bond in acetone is hard to break.
B) acetone has higher molecular weight.
C) acetone exhibits dipole-dipole interactions which are stronger than van der Waal's interactions in propane.
D) acetone exhibit hydrogen bonding which is stronger than van der Waal's interactions in propane.
E) acetone has higher surface area.

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Provide an acceptable name for the compound shown below. Provide an acceptable name for the compound shown below.

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N-ethyl-2-...

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Draw all ethers with molecular formula C4H10O.

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Among the butane conformers,which occur at energy minima on a graph of potential energy versus dihedral angle?


A) gauche only
B) eclipsed and totally eclipsed
C) gauche and anti
D) eclipsed only
E) anti only

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Which of the following has two equatorial alkyl substituents in its most stable conformation?


A) 1,1-dimethylcyclohexane
B) cis-1,2-dimethylcyclohexane
C) cis-1,3-diethylcyclohexane
D) cis-1,4-diethylcyclohexane
E) trans-1,3-diethylcyclohexane

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There is something wrong with the following name.Write the structure and correct the name: 2-ethylpropane.

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The correc...

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