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Chemistry Question on Organic Chemistry

For the compounds:
(A) H3C−CH2−O−CH2−CH2−CH3\text{H}_3\text{C} - \text{CH}_2 - \text{O} - \text{CH}_2 - \text{CH}_2 - \text{CH}_3
(B) H3C−CH2−CH2−CH3\text{H}_3\text{C} - \text{CH}_2 - \text{CH}_2 - \text{CH}_3
(C) CH3−CH2−C−CH2−CH3\text{CH}_3 - \text{CH}_2 - \text{C} - \text{CH}_2 - \text{CH}_3
                  ∣∣ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ||\
                  O \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{O}\

(D) H3C−CH−CH2−CH2−CH3\text{H}_3\text{C} - \text{CH} - \text{CH}_2 - \text{CH}_2 - \text{CH}_3
                  ∣ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |\
                  OH \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{OH}\

The increasing order of boiling point is: Choose the correct answer from the options given below:

A

(A)<(B)<(C)<(D)

B

(B)<(A)<(C)<(D)

C

(D)<(C)<(A)<(B)

D

(B)<(A)<(D)<(C)

Answer

(B)<(A)<(C)<(D)

Explanation

Solution

Compounds having the same number of carbon atoms follow the boiling point order as:

(Boiling point)Hydrogen bonding>(Boiling point)High polarity>(Boiling point)Low polarity>(Boiling point)Non-polar(\text{Boiling point})_{\text{Hydrogen bonding}} > (\text{Boiling point})_{\text{High polarity}} > (\text{Boiling point})_{\text{Low polarity}} > (\text{Boiling point})_{\text{Non-polar}}