Chapter 2 – Atomic Structure
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Calculate the wave number for the shortest wavelength transition in Balmer series of atomic hydrogen.
09
Nov
Calculate the wave number for the shortest wavelength transition in Balmer series of atomic hydrogen. Calculate the wave number for the shortest wavelength transition in Balmer series of atomic hydrogen. November 9, 2020 Category: Chapter 2 - Atomic Structure , Chemistry , JEE Adv and Mains Chemistry 41 Years Solved Video Solutions 1979 - 2019 [...]
Consider the hydrogen atom to be a proton embedded in a cavity of radius a0 (Bohr radius) whose charge is neutralized by the addition of an electron to the cavity in vacuum infinitely slowly. Estimate the average total energy of an electron in its ground state in a hydrogen atom as the work done in the above neutralization process. Also, if the magnitude of average KE is half the magnitude of average potential energy, find the average potential energy.
09
Nov
Consider the hydrogen atom to be a proton embedded in a cavity of radius a0 (Bohr radius) whose charge is neutralized by the addition of an electron to the cavity in vacuum infinitely slowly. Estimate the average total energy of an electron in its ground state in a hydrogen atom as the work done in [...]
An electron beam can undergo diffraction by crystals. Through what potential should a beam of electrons be accelerated so that its wavelength becomes equal to 1.54 A˚ ?
09
Nov
An electron beam can undergo diffraction by crystals. Through what potential should a beam of electrons be accelerated so that its wavelength becomes equal to 1.54 A˚ ? An electron beam can undergo diffraction by crystals. Through what potential should a beam of electrons be accelerated so that its wavelength becomes equal to 1.54 A˚ [...]
Calculate the energy required to excite one litre of hydrogen gas at 1 atm pressure and 298 K to the first excited state of atomic hydrogen. The energy for the dissociation of H-H bond is 436 kJ mol^−1 .
09
Nov
Calculate the energy required to excite one litre of hydrogen gas at 1 atm pressure and 298 K to the first excited state of atomic hydrogen. The energy for the dissociation of H-H bond is 436 kJ mol^−1 . at a distance r from the nucleus. The volume of this shell is 4 πr^2 dr. [...]
The wavelength corresponding to maximum energy for hydrogen is 91.2nm. Find the corresponding wavelength for He^+ ion.
09
Nov
The wavelength corresponding to maximum energy for hydrogen is 91.2nm. Find the corresponding wavelength for He^+ ion. The wavelength corresponding to maximum energy for hydrogen is 91.2nm. Find the corresponding wavelength for He^+ ion. November 9, 2020 Category: Chapter 2 - Atomic Structure , Chemistry , JEE Adv and Mains Chemistry 41 Years Solved Video [...]
(a) The Schrodinger wave equation for hydrogen atom is: Ψ2s = 1/ 4 (2 π)^v2 (1/a0)3/2 [2− a0/r ]e^−r/a 0 where a 0 is Bohr radius. If the radial node in 2s be at r0 , then find r in terms of a0 . (b) A ball of 100 g mass is thrown with a velocity of 100 m/s. Find out the value of wavelength of base ball.
09
Nov
(a) The Schrodinger wave equation for hydrogen atom is: Ψ2s = 1/ 4 (2 π)^v2 (1/a0)3/2 [2− a0/r ]e^−r/a 0 where a 0 is Bohr radius. If the radial node in 2s be at r0 , then find r in terms of a0 . (b) A ball of 100 g mass [...]
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(a) The Schrodinger wave equation for hydrogen atom is: Ψ2s = 1/ 4 (2 π)^v2 (1/a0)3/2 [2− a0/r ]e^−r/a 0 where a 0 is Bohr radius. If the radial node in 2s be at r0 ,
then find r in terms of a0 . (b) A ball of 100 g mass is thrown with a velocity of 100 m/s. Find out the value of wavelength of base ball. ,
(a) Calculate velocity of electron in first Bohr orbit of hydrogen atom (Given, r = a0 ). (b) Find de Broglie wavelength of the electron in first Bohr orbit. (c) Find the orbital angular momentum of 2p-orbital in terms of h/2π units.
09
Nov
(a) Calculate velocity of electron in first Bohr orbit of hydrogen atom (Given, r = a0 ). (b) Find de Broglie wavelength of the electron in first Bohr orbit. (c) Find the orbital angular momentum of 2p-orbital in terms of h/2π units. (a) Calculate velocity of electron in first Bohr orbit of hydrogen atom (Given [...]
The maximum number of electrons that can have principal quantum number, n=3 and spin quantum number, ms = −2/1, is
09
Nov
The maximum number of electrons that can have principal quantum number, n=3 and spin quantum number, ms = −2/1, is is ms = −2/1 n=3 and spin quantum number The maximum number of electrons that can have principal quantum number November 9, 2020 Category: Chapter 2 - Atomic Structure , Chemistry , JEE Adv and [...]
The work function (ϕ) of some metals are listed below. The number of metals which will show the photoelectric effect when the light of 300 nm wavelength falls on the metal is:
09
Nov
The work function (ϕ) of some metals are listed below. The number of metals which will show the photoelectric effect when the light of 300 nm wavelength falls on the metal is: The work function (ϕ) of some metals are listed below. The number of metals which will show the photoelectric effect when the light [...]
Atomic masses of He and Ne are 4 and 20 amu respectively. The value of the de Broglie wavelength of He gas −73 degree C is “M” times that of the de Broglie wavelength of Ne at 727 degree C. What is the value of M?
09
Nov
Atomic masses of He and Ne are 4 and 20 amu respectively. The value of the de Broglie wavelength of He gas −73 degree C is “M” times that of the de Broglie wavelength of Ne at 727 degree C. What is the value of M? at a distance r from the nucleus. The volume [...]