Home
Class 11
CHEMISTRY
Assertion : Melting point of neopentane ...

Assertion : Melting point of neopentane is higher than that of n-pentane but the boiling point of n-pentane is higher than that of neopentane.
Reason : Melting point depends upon packing of molecules in the crystal lattice while boiling point depends upon surface area of the molecule.

A

If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

B

If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.

C

If Assertion is correct , but Reason is incorrect.

D

If both Assertion and Reason are incorrect .

Text Solution

Verified by Experts

The correct Answer is:
A
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • HYDROCARBONS

    BRILLIANT PUBLICATION|Exercise LEVEL-III (SINGLE CORRECT ANSWER TYPE)|20 Videos
  • HYDROCARBONS

    BRILLIANT PUBLICATION|Exercise LEVEL-III (NUMERICAL TYPE)|8 Videos
  • HYDROCARBONS

    BRILLIANT PUBLICATION|Exercise LEVEL-II|79 Videos
  • HYDROCARBON

    BRILLIANT PUBLICATION|Exercise LEVEL II|48 Videos
  • HYDROGEN

    BRILLIANT PUBLICATION|Exercise LEVEL -III ( Linked Comprehension Type)|8 Videos

Similar Questions

Explore conceptually related problems

The boiling point of ethanol is higher than that of methoxy methane. Give reason.

Methanol and ethanol are two commercially important alcohols. The boiling point of ethanol is higher than that of methoxy methane. Give reason.

Knowledge Check

  • Statement 1 : Melting point of neopentane is higher than that of n-pentane but the boiling point of n-pentane is higher than that of neopentane. Statement 2 : Melting point depends upon packing of molecules in the crystal lattice while boiling point depends upon surface area of the molecule.

    A
    Statement 1 is True, statement 2 is True, Statement 2 is Correct explanation for Statement 1.
    B
    Statement 1 is True, Statement 2 is True, Statement 2 is NOT a correct explanation for Statement 1.
    C
    Statement 1 is True, Statement 2 is False.
    D
    Statement 1 is False, Statement 2 is True.
  • Assertion: The boiling point of the compounds increases in the order: Isopropylchloride Reason : Boiling point depends upon the molecular mass and surface area.

    A
    If both (A) and (R) are correct and (R) is the correct explanation of (A).
    B
    If both (A) and (R) are correct, but (R) is not the correct explanation of (A).
    C
    If (A) is correct, but (R) is incorrect.
    D
    If both (A) and (R) are incorrect.
  • The melting points of amino acids are higher than the corresponding halo-acids because

    A
    amino acids exist as zwitter ions resulting in strong dipole-dipole attraction
    B
    amino acids are optically active
    C
    due to higher molecules mass of `-NH_2` group molecular mass of amino acids is higher.
    D
    they interact with water more than halo-acids and have salt like structure.
  • Similar Questions

    Explore conceptually related problems

    The boiling point of 'A' is higher than that of 'B'. Which of them will have higher vapour pressure?

    Boiling point of H_2O (373K) is very much higher than that of H_2S (213 K). Give reason.

    Assertion : Hydrides of N, O and F have lower boiling points than the hydrides of their subsequent group members. Reason : Boiling point depends upon the molecular mass only.

    Melting point of RbBr is 682^(@)C , while that of NaF is 988^(@)C . The principal reason that melting point of NaF is much higher than that of RbBr is that:

    Melting point of RbBr is 682^(@)C , while that of NaF is 988^(@)C . The principal reason that melting point of NaF is much higher than that of RbBr is that: