The energy of an electron in the nth Bohr orbit of hydrogen atom is
Options
(a) –(13.6/n⁴)eV (b) –(13.6/n³)eV (c) –(13.6/n²)eV (d) –(13.6/n)eV
Correct Answer:
–(13.6/n²)eV
Explanation:
No explanation available. Be the first […]
The energy of second Bhor orbit of the hydrogen atom is -328 kJ mol⁻¹, hence the enregy of fourth Bohr orbit would be
Options
(a) -41 kJ mol⁻¹ (b) -1312 kJ mol⁻¹ (c) […]
The total number of atomic orbitals in fourth energy level of an atom is :
Options
(a) 8 (b) 16 (c) 32 (d) 4
Correct Answer:
16
Explanation:
Total number of atomic orbits […]
Maximum number of electrons in a subshell with l=3 and n=4 is
Options
(a) 14 (b) 16 (c) 10 (d) 12
Correct Answer:
14
Explanation:
n = main energy level / = subshell […]
For azimuthal quantum number l= 3,the maximum number of electrons will be
Options
(a) 2 (b) 6 (c) 0 (d) 14
Correct Answer:
14
Explanation:
l= 3 means f-subshell. Maximum no. of electrons […]
If principal quantum number n=4, the total number of orbitals having l=3 is
Options
(a) 3 (b) 7 (c) 5 (d) 9
Correct Answer:
7
Explanation:
For n= 4, /= 3 (f-subshell) no. […]
What is the maximum number of electrons that can be associated with the following set of quantum numbers? n=3, l=1 and m=–1
Options
(a) 6 (b) 4 (c) 2 (d) 10
Correct Answer: […]
Number of unpaired electrons in N2⁺ is
Options
(a) 2 (b) 0 (c) 1 (d) 3
Correct Answer:
1
Explanation:
N(7) = 1s²2s²2p² N2⁺ = 1s², 2s², 2p unpaired electrons =1
The number of nodal planes in pₓ is
Options
(a) 1 (b) 2 (c) 3 (d) 0
Correct Answer:
1
Explanation:
The number of nodal plane are present in a px is one […]
The following quantum numbers are possible for how many orbital(s) n= 3, l = 2, m = +2 ?
Options
(a) 1 (b) 3 (c) 2 (d) 4
Correct Answer:
1
Explanation:
No […]
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