The number of spherical nodes in 3p orbitals are
The number of spherical nodes in 3p orbitals are
Options
(a) one (b) three (c) none (d) two
Correct Answer:
one
Explanation:
No. of radial nodes in 3p-orbital= (n – l – 1) […]
The number of spherical nodes in 3p orbitals are
Options
(a) one (b) three (c) none (d) two
Correct Answer:
one
Explanation:
No. of radial nodes in 3p-orbital= (n – l – 1) […]
Which of the following has the minimum bond length ?
Options
(a) O₂⁺ (b) O₂⁻ (c) O₂²⁻ (d) O₂
Correct Answer:
O₂⁺
Explanation:
Bond order is defined as half of the difference between […]
If n = 6, the correct sequence for filling of electrons will be:
Options
(a) ns→(n–2)f→(n–1)d→np (b) ns→(n–1)d→(n–2)f→np (c) ns→(n–2)f→np→(n–1)d (d) ns→np(n–1)d→(n–2)f
Correct Answer:
ns→(n–2)f→(n–1)d→np
Explanation:
No explanation available. Be the first to […]
Choose isosteres from the following.
Options
(a) NO₂⁻ and PO₄³⁻ (b) NO₂⁻ and O₃ (c) CO₂,N₂O,NO₃⁻ (d) ClO₄⁻ and OCN⁻
Correct Answer:
NO₂⁻ and O₃
Explanation:
NO₂⁻ and O₃ are isosteres because both […]
According to MO theory which of the following lists ranks the nitrogen species in terms of increasing bond order?
Options
(a) N₂²⁻ < N₂⁻ < N₂ (b) N₂ < N₂²⁻ < N₂⁻ (c) […]
Set of isoelectronic species is
Options
(a) N₂,CO₂,CN⁻,O (b) N, H₂S, CO (c) N₂,CO,CN⁻,O₂⁺² (d) Cl,Mg,Ca
Correct Answer:
N₂,CO,CN⁻,O₂⁺²
Explanation:
Isoelectronic means equal electric, which means the atom or group have the same number […]
Which of the following is non-permissible?
Options
(a) n=4, l=3, m=0 (b) n=4, l=2, m=1 (c) n=4, l=4, m=1 (d) n=4, l=0, m=0
Correct Answer:
n=4, l=4, m=1
Explanation:
No explanation available. Be […]
For which one of the following sets of four quantum numbers, an electron will have the highest energy?n=3, l=2, m=1, s=1/2
Options
(a) n=4, l=2, m=-1, s=1/2 (b) n=4, l=1, m=0, s=-1/2 (c) […]
Which of the following is not permissible arrangement of electrons in an atom?
Options
(a) n = 5, l = 3, m = 0, s = +1/2 (b) n = 3, l= 2, […]
The orientation of an atomic orbital is governed by
Options
(a) Spin quantum number (b) Magnetic quantum number (c) Principal quantum number (d) Azimuthal quantum number
Correct Answer:
Magnetic quantum number
Explanation:
Magnetic […]
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