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Assertion (A) Three states of matter are...

Assertion (A) Three states of matter are the result of balance between intermolecular forces and thermal energy of the molecules.
Reason (R) Intermolecular forces tend to keep the molecules together but thermal energy of molecules tends to keep tham apart.

A

Both A and R are true and R is the correct explanation of A.

B

Both A and R are true but R is not the correct explanation of A.

C

A is true but R is false.

D

A is false but R is true.

Text Solution

Verified by Experts

The correct Answer is:
a
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Knowledge Check

  • The intermolecular force between the molecules increases

    A
    when the distance between the molecules increases
    B
    When the distance between the molecules decreases
    C
    when the distance remains constant
    D
    none of the above

  • Consider the following statements. Thermal energy tends to keep the soild molecules apart. Intermolecular force tends to keep the solid molecules closer. Which of the above statements(s) is/are false?

    A
    Only I
    B
    Only II
    C
    Both I and II
    D
    Neither I nor II

  • Assertion : Liquid molecules have greater potential energy at the melting point. Reason : Intermolecular spacing between molecules increases at melting point.

    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.