Energies of Orbitals and the (n + l) Rule

JEE Main Chemistry · Atomic Structure · 10 questions, latest first

• Which of the following statement(s) is/are true? A. If two orbitals have the same value of (n+l), the orbital with lower value of…20265 April, Shift 2 · Q52
• Arrange the following atomic orbitals of multi electron atoms in order of increasing energy. A. n=3, l=2, m=+1 B. n=4, l=0, m=0…20265 April, Shift 1 · Q52
• Identify the correct statements from the following: A. Heisenberg uncertainty principle is applicable to electrons. B. The size…20265 April, Shift 1 · Q53
• Which of the following is/are not correct with respect to energy of atomic orbitals of hydrogen atom? 1 s<2 p<3 d<4 s 1 s<2 s=2…202528 January, Shift 2 · Q51
• In a multielectron atom, which of the following orbitals described by three quantum numbers will have same energy in absence of…202528 January, Shift 1 · Q51
• For hydrogen atom, the orbital/s with lowest energy is/are: 4s 3 p_x 3 d_x^2-y^2 3 d_z^2 (E) 4 p_z Choose the correct answer from…202524 January, Shift 2 · Q52
• Given below are two statements: Statement (I): A spectral line will be observed for a 2 p_x → 2 p_y transition. Statement (II): 2…202522 January, Shift 2 · Q51
• Compare the energies of following sets of quantum numbers for multielectron system. n=4, l=1 n=4, l=2 n=3, l=1 n=3, l=2 (E) n=4,…20249 April, Shift 1 · Q61
• Given below are two statements: Statement (I): The orbitals having same energy are called as degenerate orbitals. Statement (II):…202430 January, Shift 1 · Q61
• Arrange the following orbitals in decreasing order of energy. A. n=3, l=0, m=0 B. n=4, l=0, m=0 C. n=3, l=1, m=0 D. n=3, l=2, m=1…202331 January, Shift 2 · Q31