Question 1

How many of the nine constitutional isomers of heptane lack a secondary carbon?

Accepted Answer

11ef27fc_c189_5794_aec8_4b3553bc8d24_TBP1106_00 
All others have at least one secondary carbon.

Question 2

Which of the following names is correct?

Accepted Answer

11ef27fc_c189_7ea6_aec8_6b32ae5395c7_TBP1106_00

Question 3

Choose the best name for the following compound.

Accepted Answer

C

Question 4

Choose the best name for the following compound.

Accepted Answer

"Ethyl-" has higher alphabetical priority than does "methyl-."

Question 5

Choose the best name for the following compound.

Accepted Answer

11ef27fc_c189_ccca_aec8_eb2a18108277_TBP1106_00

Question 6

Which of the following is a tertiary amine?

Accepted Answer

The answer of Which of the following is a tertiary...

Question 7

Which of the following trimethylcyclohexanes has the most stable chair conformer?

Accepted Answer

The answer of Which of the following trimethylcyclohexanes has the...

Question 8

Which of the following dimethylcyclohexanes has the most stable chair conformer?

Accepted Answer

The answer of Which of the following dimethylcyclohexanes has the...

Question 9

Why, primarily, does tetrahydrofuran (THF, bp 66 °C) have a higher boiling point than cyclopentane (bp 49 °C)?

Accepted Answer

Dipole-dipole interactions are possible in THF (it has a permanent dipole between C and O).

Question 10

Rank the alcohols, all of similar molecular mass, in order of decreasing boiling point.
1 CHS1U1B13S1U1B0CHS1U1B12S1U1B0CHS1U1B12S1U1B0CHS1U1B12S1U1B0OH
2 CHS1U1B13S1U1B0CHS1U1B12S1U1B0(CHS1U1B13S1U1B0)CHOH
3 (CHS1U1B13S1U1B0)S1U1B13S1U1B0COH
4 HOCHS1U1B12S1U1B0CHS1U1B12S1U1B0CHS1U1B12S1U1B0OH

Accepted Answer

Increased hydrogen bonding increases the boiling point. Branching lowers it.

Quiz 3: An Introduction to Organic Compounds Nomenclature, Physical Properties, and Structure

How many of the nine constitutional isomers of heptane lack a secondary carbon?

Which of the following names is correct?

Choose the best name for the following compound.

Choose the best name for the following compound.

Choose the best name for the following compound.

Which of the following is a tertiary amine?

Which of the following trimethylcyclohexanes has the most stable chair conformer?

Which of the following dimethylcyclohexanes has the most stable chair conformer?

Why, primarily, does tetrahydrofuran (THF, bp 66 °C) have a higher boiling point than cyclopentane (bp 49 °C) ?

Rank the alcohols, all of similar molecular mass, in order of decreasing boiling point. 1 CH₃CH₂CH₂CH₂OH 2 CH₃CH₂(CH₃) CHOH 3 (CH₃) ₃COH 4 HOCH₂CH₂CH₂OH

Quiz 3: An Introduction to Organic Compounds Nomenclature, Physical Properties, and Structure

How many of the nine constitutional isomers of heptane lack a secondary carbon?

Which of the following names is correct?

Choose the best name for the following compound.

Choose the best name for the following compound.

Choose the best name for the following compound.

Which of the following is a tertiary amine?

Which of the following trimethylcyclohexanes has the most stable chair conformer?

Which of the following dimethylcyclohexanes has the most stable chair conformer?

Why, primarily, does tetrahydrofuran (THF, bp 66 °C) have a higher boiling point than cyclopentane (bp 49 °C) ?

Rank the alcohols, all of similar molecular mass, in order of decreasing boiling point. 1 CH3CH2CH2CH2OH 2 CH3CH2(CH3) CHOH 3 (CH3) 3COH 4 HOCH2CH2CH2OH

Rank the alcohols, all of similar molecular mass, in order of decreasing boiling point. 1 CH₃CH₂CH₂CH₂OH 2 CH₃CH₂(CH₃) CHOH 3 (CH₃) ₃COH 4 HOCH₂CH₂CH₂OH