230204 Which of the following has lowest boiling point?

230217 The product $B$ is
\(+\mathrm{Mg} \xrightarrow{\text { Dry ether }} \mathrm{A} \xrightarrow[\mathrm{H}^{+}]{\mathrm{H}_2 \mathrm{O}} \mathrm{B}\)

1

2

3

4

230222 For preparing an alkane, a saturated solution of sodium or potassium salt of a carboxylic acid is subjected to

230223 n-butylamine (I), diethylamine (II) and N, Ndimethylethylamine (III) have the same molar mass. The increasing order of their boiling point is

230204 Which of the following has lowest boiling point?

230217 The product $B$ is
\(+\mathrm{Mg} \xrightarrow{\text { Dry ether }} \mathrm{A} \xrightarrow[\mathrm{H}^{+}]{\mathrm{H}_2 \mathrm{O}} \mathrm{B}\)

1

2

3

4

230222 For preparing an alkane, a saturated solution of sodium or potassium salt of a carboxylic acid is subjected to

230223 n-butylamine (I), diethylamine (II) and N, Ndimethylethylamine (III) have the same molar mass. The increasing order of their boiling point is

230204 Which of the following has lowest boiling point?

230217 The product $B$ is
\(+\mathrm{Mg} \xrightarrow{\text { Dry ether }} \mathrm{A} \xrightarrow[\mathrm{H}^{+}]{\mathrm{H}_2 \mathrm{O}} \mathrm{B}\)

1

2

3

4

230222 For preparing an alkane, a saturated solution of sodium or potassium salt of a carboxylic acid is subjected to

230223 n-butylamine (I), diethylamine (II) and N, Ndimethylethylamine (III) have the same molar mass. The increasing order of their boiling point is

230204 Which of the following has lowest boiling point?

230217 The product $B$ is
\(+\mathrm{Mg} \xrightarrow{\text { Dry ether }} \mathrm{A} \xrightarrow[\mathrm{H}^{+}]{\mathrm{H}_2 \mathrm{O}} \mathrm{B}\)

1

2

3

4

230222 For preparing an alkane, a saturated solution of sodium or potassium salt of a carboxylic acid is subjected to

230223 n-butylamine (I), diethylamine (II) and N, Ndimethylethylamine (III) have the same molar mass. The increasing order of their boiling point is