Boiling Point of Alkanes

Q.

Which of the following compounds have higher boiling points?

1. 1-Chlorobutane

2. 1-Chloropropane

3. Isopropyl Chloride

4. All of these

Q. Which of the following compound has maximum boiling point

1. n-hexane
2. n-pentane
3. 2, 2-dimethyl propane
4. 2-methyl butane

Q. Arrange the compounds in the order of decreasing boiling points.
1. Butane
2. 1, 2, 3-Pentane triol
3. Butyl alcohol

1. $2>3>1$
2. $1>2>3$
3. $1>3>2$
4. $2>1>3$

Q. Out of $\text{2, 2-dimethylbutane},\text{2-methylpentane}$ and $\text{2, 3-dimethylbutane}$, which one is the correct decreasing order of boiling point?

1. $\text{2, 3-dimethylbutane > 2, 2-dimethylbutane > 2-methylpentane}$
2. $\text{2-methylpentane > 2, 2-dimethylbutane > 2, 3-dimethylbutane}$
3. $\text{2, 2-dimethylbutane > 2-methylpentane > 2, 2-dimethylbutane}$
4. $\text{2-methylpentane > 2, 3-dimethylbutane > 2, 2-dimethylbutane}$

Q. Which one of the following has the minimum boiling point?

1. Isobutane
2. But-1-ene
3. But-1-yne
4. n-butane

Q.

Which of the following is TRUE for alkanes?

1. Boiling point increases with increase in carbon content

2. Melting point increases with increase in carbon content.

3. The densities increase with increase in molecular masses.

4. Alkanes are less reactive than alkenes and alkynes