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Assertion (A) : Hydrogen has only one el...

Assertion (A) : Hydrogen has only one electron in its 1s orbital but it produces several spectral lines.
Reason (R) : There are many excited energy levels available in H atoms.

A

Assertion and reason both are correct statements and reason is correct explanation for assertion.

B

Assertion and reason both are correct statements but reason is not correct explanation for assertion.

C

Assertion is correct statement but reason is wrong statement.

D

Assertion is wrong statement but reason is correct statement.

Text Solution

Verified by Experts

The correct Answer is:
A
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Knowledge Check

  • Assertion : Hydrogen has one electron in its orbit but it produces several spectral lines. Reason : There are many excited energy levels available.

    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.

  • Assertion. Hydrogen has one electron in its orbit but it produces several spectral lines Reason. There are many excited energy levels available

    A
    If both assertion and reason are true, and reason is the true explanation of the arrertion
    B
    If both assertion and reason are true, but reason is not the true explanation of the assertional
    C
    If assertion is true, but reason is false
    D
    If both assertion and reason are false

  • Assertion (A) : Hydrogen atom consists of only one electron but its emission spectrum has many lines. Reason (R) : Only Lyman series is found in the absorption spectrum of hydrogen atom where as in the emission spectrum all the spectral series all present.

    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 the correct explanation of the assertion.
    C
    If assertion is true but reason is false.
    D
    If the assertion is false but reason is true.