Bhor’s theory is applicable to
Bhor's theory is applicable to Options (a) He (b) Li²⁺ (c) He²⁺ (d) None of these Correct Answer: Li²⁺Explanation:Bohr's theory…
7 years ago
Structure of Atom
The spectrum of He is expected to be similar to
The spectrum of He is expected to be similar to Options (a) H (b) Li⁺ (c) Na (d) He⁺ Correct…
7 years ago
The orbital angular momentum of a p-electron is given as :
The orbital angular momentum of a p-electron is given as : Options (a) h/(√2π) (b) √3 x (h/2π) (c) √(3/2)…
7 years ago
The electron configuration of an element is 1s²,2s²,2p⁶,3s²,3p⁶,3d⁵,4s¹
The electron configuration of an element is 1s²,2s²,2p⁶,3s²,3p⁶,3d⁵,4s¹. This represents its Options (a) cationic form (b) anionic form (c) ground…
7 years ago
The electron was shown experimentally to have wave properties by
The electron was shown experimentally to have wave properties by Options (a) de Broglie (b) Davisson and Germer (c) N.…
7 years ago
An ion has 18 electrons in the outermost shell, it is
An ion has 18 electrons in the outermost shell, it is Options (a) Cu⁺ (b) Th⁴⁺ (c) Cs⁺ (d) K⁺…
7 years ago
Which one of the following ions has electronic configuration[Ar] 3d⁶?
Which one of the following ions has electronic configuration[Ar] 3d⁶? (At. no: Mn=25, Fe=26, Co=27, Ni=28) Options (a) Ni³⁺ (b)…
7 years ago
Which of the following is isoelectronic?
Which of the following is isoelectronic? Options (a) CO2, NO₂ (b) NO₂⁻, CO₂ (c) CN⁻, CO (d) SO₂, CO₂ Correct…
7 years ago
The ion that is isoelectronic with CO is
The ion that is isoelectronic with CO is Options (a) CN⁻ (b) O₂⁺ (c) O₂⁻ (d) N₂⁺ Correct Answer: CN⁻Explanation:We…
7 years ago
Which of the following species has four lone pairs of electrons?
Which of the following species has four lone pairs of electrons? Options (a) I (b) O⁻ (c) Cl⁻ (d) He…
7 years ago