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Statement-1: Spectral line would not ne ...

Statement-1: Spectral line would not ne seen for a `2p_x - 2p_z` transition
Statement-2: p-orbitals are degenerate orbitals.

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

Text Solution

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The correct Answer is:
A
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Assertion (A) : A spectral line will be seen for 2p,-2p transition Reason (R ) : Energy is raleased in the form of wave of light when the electron drops from 2p_(x) , to 2p_(y) orbital.

Transition of electron between p_x and p_y would not lead to an spectral line. p-orbitals are degenerate orbitals.

Knowledge Check

  • Statement 1: Spectral lines would not be seen for 2p_(x)-2p_(z) transition. Statement 2: p-orbitals are degenerate orbitals.

    A
    Statement-1 is Ture, Statement 2 is True, Statemnet -2 is correct explanation for Statement -1
    B
    Statement -1 is Ture, 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

  • Spectral line would not ne seen for a 2p_x - 2p_z transition p-orbitals are degenerate orbitals.

    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 assertion is false but reason is true.

  • STATEMENT-1 : A spectral lne will not be seen for a 2p_(x)-2p_(y) transition. and STATEMENT-2 : Only Balmer lines are observed in the visible region.

    A
    Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1
    B
    Statement-1 is True, Statement-2 isTrue, 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 isTrue

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    Assertion. A spectral line will be seen for a 2p_(x) - 2p_(y) transition Reason. Energy is released in the form of waves of light when the electron drops from 2p_(x) " to " 2p_(y) orbital

    Statement 1: The first ionization energy of B is less than Be. Statement 2: 2p orbital lower in energy than 2s.

    Statement-1 : delta -bonds are formed by four lobes interaction of d-orbitals. Statement-2 : d_Z^2 orbital does not have nodal plane.

    Statement : electromangetic radiations will be emitted for the transtition of 2p to 2s orbitals in H-atom . Explanation : Both have same energy level and thus no transition .

    Statement-I : 2p orbitals do not have spherical nodes. Because Statement-II : The number of spherical nodes in p-orbitals is given by (n-2)

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