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Quiz 180
Mdcat-past-papers Quiz
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3581. If value of azimuthal quantum number is 2 then total values of magnetic quantum number will be:
3
10
5
7
3582. Total number of directions of f-orbitals in space are:
7
3
6
3
3583. Which of the following quantum number is not obtained from Schrodinger wave equation:
Principle quantum number
Azimuthal quantum number
Magnetic quantum number
Spin quantum number
3584. The value of Azimuthal quantum number "l" for 4p orbital is:
0
1
2
3
3585. Choose the allowed sets of quantum numbers from the following:
n = 3, l = 2, m = 0, s = +1/2
n = 3, l = 3, m = 0, s = -1/2
n = 4, l = 3, m = 0, s = +1/2
n = 4, l = 2, m = 4, s = -1/2
3586. The relative energy of 4S, 4P, & 3D Orbital or order
3d <4p<4s
4s<3d<4p
4p<3d<3d
4p<3d<4s
3587. Correct order of energy in the given subshell,is;
5s>3d>3p>4s
5s>3d>4s>3p
3p>3d>5s>4s
3p>3d>4s>5s
3588. Number of electron in the outermost shell of Cl- is
8
3
1
17
3589. Which are of following pairs has the same electronic configuration as possessed by Neon(Ne10)
Na+Cl-
K+,Cl-
Na+,Mg2+
Na+,F-
3590. The maximum number of electrons in a subshell can be calculated by using formula;
2(2l+1)
2n1+2
2n2
2n1+1
3591. Which is the correct electronic configuration of chromium?
1s2 2s2 2p6 3s2 3p6 4s1 3d5
1s2 2s2 2p6 3s3 3p6 3S2 3d4
1s2 2s2 3s2 2p6 3p6 4S2 3d6
1s2 2s2 2p6 3s2 3p6 4s6
3592. Nitrogen has the atomic mass of 7. Which of the following electronic configurations is of a Nitrogen atom in ground state?
1s2,2s2,2px1,2py1,2pz1
1s2,2s2,2p3
1s2,2s2,2px1,2py1
1s2,2s2,2py1,2pz1
3593. Which of the following is the electronic configuration of Cr?
[Ar]3d4 4s2
[Ar]3d5 4s1
[Ar]3d5 4s1
[Ar]3d4 4s1
3594. The electronic configurations of some elements are given below. Recognize the element that belongs to group IIIA:
1s2 2s2 2p1
1s2 2s2 2p3
1s2 2s2 2p2
1s2 2s2 2p4
3595. Which of the following is correct electronic configuration of iron(II) ion (atomic no. of Fe = 26)
[Ar] 4s0 3d6
[Ar] 4s2 3d6
[Ar] 4s2 3d4
[Ar] 4s0 3d5
3596. Which of the following electronic configuration is correct for 24Cr?
1s2 2s2 2p6 3s2 3p6 4s1 3d5
1s2 2s2 2p6 3s2 3p6 3d4
1s2 2s2 2p6 3s2 3p6 3d5
1s2 2s2 2p6 3s2 3p6 4s6
3597. When 6d orbital is filled, the entering electron goes into:
7f
7d
7p
7s
3598. Which element has ground state electronic configuration of 1s2 ,2s2 2p6 , 3s2 3p6?
Ar
Na
Cl
S
3599. Which of the following electronic configuration is correct for carbon?
1s2 2s2 2p3
1s2 2s2 2p4
1s2 2s2 2p2
1s2 2s2 2p1
3600. Which of the following is different in Na ( Z = 11), Mg+2 (Z = 12) and Al+3 (Z = 13)?
Number of shells
Number of electrons
Number of protons
Electronic configuration
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