Assertion: The boiling point of the compounds increases in the order: Isopropylchloride

Question

Assertion: The boiling point of the compounds increases in the order: Isopropylchloride < 1 - Chloropropane < 1 Chlorobutane. Reason: Boiling point depends upon the molecular mass and surface area. (A) If both assertion and reason are true and reason is the correct explanation of assertion. (B) If both assertion and reason are true but reason is not the correct explanation of assertion. (C) If assertion is true but reason is false. (D) If both assertion and reason are false.

Tardigrade Admin · Accepted Answer

Branched-chain isomers have lower b.p. as van der Waals forces depend on surface area and molecular mass. So, the order of the boiling point of the given compounds is Isopropyl chloride <1-Chloropropane <1-Chlorobutane.

Q. Assertion : The boiling point of the compounds increases in the order: Isopropylchloride $< 1$ - Chloropropane $< 1$ Chlorobutane.
Reason: Boiling point depends upon the molecular mass and surface area.

If both assertion and reason are true and reason is the correct explanation of assertion.

If both assertion and reason are true but reason is not the correct explanation of assertion.

If assertion is true but reason is false.

If both assertion and reason are false.

Branched-chain isomers have lower b.p. as van der Waals forces depend on surface area and molecular mass. So, the order of the boiling point of the given compounds is Isopropyl chloride $< 1$ -Chloropropane $< 1$ -Chlorobutane.

Q. Assertion : The boiling point of the compounds increases in the order: Isopropylchloride <1 - Chloropropane <1 Chlorobutane. Reason: Boiling point depends upon the molecular mass and surface area.