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 n 3- n 2 in H - atom will emit radiation of higher frequency than n 4- n 3- Statement - 2 - Principal shells n 2 n 3 have lower energy than n 4-A- Both Statement- 1 and Statement - 2 are true and Statement - 2 is the correct explanation of Statement - 1B- Both Statement - 1 and Statement - 2 are true and Statement - 2 is not the correct explanation of Statement - 1C- Statement -1 is true but Statement -2 is false-D- Statement -1 is false but Statement - 2 is true-

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Standard XII

Chemistry

Multi-Electron Configurations and Orbital Diagrams

In the follow...

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 $n_{3} \to n_{2}$ in H - atom will emit radiation of higher frequency than $n_{4} \to n_{3}$ .

Statement - 2 : Principal shells $n_{2}$ $n_{3}$ have lower energy than $n_{4}$ .

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

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

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

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

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Solution

The correct option is 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

$E_{2} - E_{1} > E_{3} - E_{2} > E_{4} - E_{3} . . . . . . . . . . . .$

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Similar questions

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 $n_{3} \to n_{2}$ in H - atom will emit radiation of higher frequency than $n_{4} \to n_{3}$ .

Statement - 2 : Principal shells $n_{2}$ $n_{3}$ have lower energy than $n_{4}$ .

Statement - 1 : Electromagnetic radiation will be emitted for the transition $2 P_{z} \to 2 p_{x}$ .

Statement - 2 : No transition of electron takes place between $2 P_{z}$ and $2 P_{x}$ orbitals.

Q. Statement 1: The number of unpaired electrons in the following ions:

M n^{2 +}, C r^{3 +}, V^{3 +}

and

T i^{3 +}

are 5, 3, 2 and 1 respectively.
Statement 2:

V^{3 +}

has a magnetic moment

(8)^{\frac{1}{2}} B M

Q. STATEMENT-1: The

C - O

bond length of aliphatic alcohols is less than that of phenols.
STATEMENT-2: In phenols, the

C - O

bond acquires a π-bond character.

Statement - 1 : Electromagnetic radiation will be emitted for the transition $2 P_{z} \to 2 p_{x}$ .

Statement - 2 : No transition of electron takes place between $2 P_{z}$ and $2 P_{x}$ orbitals.

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The correct option is 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 E2−E1>E3−E2>E4−E3............