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Assertion Mass of ion is slightly differ...

Assertion Mass of ion is slightly differed from its element.
Reason Ion is formed, when some electrons are removed or added, so mass changes.

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 true but Reason is false

D

If Assertion is false but Reason is true

Text Solution

Verified by Experts

The correct Answer is:
A
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Knowledge Check

  • An atom differs from its ion in

    A
    nuclear charge
    B
    mass number
    C
    number of electrons
    D
    number of neutrons

  • Assertion: Radius of the ion is always smaller than the parent atom. Reason: Ion is formed by the loss or gain of electrons by the parent atom.

    A
    Both A and B true and R is the correct explanation A
    B
    Both A and R are true but R is not a correct explanation of A
    C
    A is true but R is false
    D
    A is false but R is true

  • Assertion : Rydberg's constant varies with mass no. of a given element. Reason: The 'reduced mass' of the electron is dependent on the mass of the nucleus only.

    A
    If both, Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
    B
    If both, Assertion and Reason are true but Reason is not a correct explanation of the Assertion.
    C
    If Assertion is true but the Reason is false.
    D
    If both Assertion and Reason are false.