1
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Which of the following sets of quantum numbers is correct for an electron in 4f orbital?
A
n = 4, l = 3, m = +1, s = + 1/2
B
n = 4, l = 4, m = -4, s = - 1/2
C
n = 4, l = 3, m = +4, s = + 1/2
D
n = 3, l = 2, m = -2, s = + 1/2
2
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Consider the ground state of Cr atom (Z = 24). The number of electrons with the azimuthal quantum numbers, l = 1 and 2 are respectively
A
16 and 4
B
12 and 5
C
12 and 4
D
16 and 5
3
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
The wavelength of the radiation emitted when in a hydrogen atom electron falls from infinity to stationary state 1, would be (Rydberg constant = 1.097 $$\times$$ 107 m-1)
A
406 nm
B
192 nm
C
91 nm
D
9.1 $$\times$$ 10-8 nm
4
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Which one of the following sets of ions represents the collection of isoelectronic species? (Atomic nos. : F = 9, Cl = 17, Na = 11, Mg = 12, Al = 13, K = 19, Ca = 20, Sc = 21)
A
K+, Cl-, Mg2+, Sc3+
B
Na+, Ca2+, Sc3+, F-
C
K+, Ca2+, Sc3+, Cl-
D
Na+, Mg2+, Al3+, Cl-
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