Class 11

2. Structure of atom question bank (Chemistry)

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Q1.

The energy of H-atom in \( n^\text{th} \) orbit is \( E_n \), then energy in \( n^\text{th} \) orbit of singly ionised helium atom will be  

(A)
\( 4E_n \)
(B)
\( \frac{E_n}{4} \)
(C)
\( 2E_n \)
(D)
\( \frac{E_n}{2} \)
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Q2.

Maximum frequency of emission is obtained for the transition:  

(A)
\( n = 2 \rightarrow n = 1 \)
(B)
\( n = 6 \rightarrow n = 2 \)
(C)
\( n = 1 \rightarrow n = 2 \)
(D)
\( n = 2 \rightarrow n = 6 \)
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