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Solution


Q.

Which of the following is/are not correct with respect to energy of atomic orbitals of hydrogen atom

(A) 1s<2p<3d<4s

(B) 1s<2s=2p<3s=3p

(C) 1s<2s<2p<3s<3p

(D) 1s<2s<4s<3d

Choose the correct answer from the options given below:        [2025]
1 (A) and (C) only  
2 (A) and (B) only  
3 (B) and (D) only  
4 (C) and (D) only  

Ans.

(4)

For single electron species, value of energy of an orbital depends upon the value of n. Higher is value of n, more is energy. Orbitals with same value of n have same energy.