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Question

In the following questions two Statement - 1 (Assertion) and Statement - 2 (Reason) are provided. Each question has 4 choices (a), (b), (c) and (d) for its answer, out of which ONLY ONE is correct. Mark your responses from the following options:

Statement - 1 : The transition of electrons n3n2 in H - atom will emit  radiation of higher frequency than n4n3.

Statement - 2 : Principal shells n2 n3 have lower energy than n4.


  1. Both Statement-1 and Statement - 2 are true and Statement - 2 is the correct explanation of  Statement - 1

  2. Both Statement - 1 and Statement - 2 are true and Statement - 2 is not the correct explanation of Statement - 1

  3. Statement - 1 is true but Statement - 2 is false.

  4. Statement - 1 is false but Statement - 2 is true.


Solution

The correct options are
B

Both Statement - 1 and Statement - 2 are true and Statement - 2 is not the correct explanation of Statement - 1


The diference between the energies of adjacent energy levels decreases as n value increases. Thus, for H-atom

E2E1>E3E2>E4E3............

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