N Awasthi Physical Chemistry
The angular momentum of an electron in a Bohr’s orbit of He+ is 3.1652 × 10^−34 kg−m^2/sec. What is the wave number in terms of Rydberg constant (R) of the spectral line emitted when an electron falls this level to the first excited state. [Use h = 6.626×10^−34Js].
10
Nov
The angular momentum of an electron in a Bohr’s orbit of He+ is 3.1652 × 10^−34 kg−m^2/sec. What is the wave number in terms of Rydberg constant (R) of the spectral line emitted when an electron falls this level to the first excited state. [Use h = 6.626×10^−34Js]. The ratio of the radius difference between [...]
The velocity of an e in excited state of H-atom is 1.093×10^6m/s, what is the circumference of this orbit?
10
Nov
The velocity of an e in excited state of H-atom is 1.093×10^6m/s, what is the circumference of this orbit? The velocity of an e in excited state of H-atom is 1.093×10^6m/s what is the circumference of this orbit? November 10, 2020 Category: Chapter 2 - Atomic Structure (Level 1 and Level 2) , N Awasthi [...]
The ratio of the radius difference between 4th and 3rd orbit of H-atom and that of Li^2+ ion is:
10
Nov
The ratio of the radius difference between 4th and 3rd orbit of H-atom and that of Li^2+ ion is: The ratio of the radius difference between 4th and 3rd orbit of H-atom and that of Li^2+ ion is: November 10, 2020 Category: Chapter 2 - Atomic Structure (Level 1 and Level 2) , N Awasthi [...]
What is the angular velocity (ω) of an electron occupying second orbit of Li^2+ ion?
10
Nov
What is the angular velocity (ω) of an electron occupying second orbit of Li^2+ ion? What is the angular velocity (ω) of an electron occupying second orbit of Li^2+ ion? November 10, 2020 Category: Chapter 2 - Atomic Structure (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
A beam of specific kind of particles of velocity, 2.1×10^7 m/s is scattered by a gold (Z=79) nuclei. Find out specific charge (charge/mass) of this particle if this distance of closest approach is 2.5×10^−14 m?
10
Nov
A beam of specific kind of particles of velocity, 2.1×10^7 m/s is scattered by a gold (Z=79) nuclei. Find out specific charge (charge/mass) of this particle if this distance of closest approach is 2.5×10^−14 m? 2.1×10^7 m/s is scattered by a gold (Z=79) nuclei. Find out specific charge (charge/mass) of this particle if this distance [...]
A small particle of mass m moves in such a way that P.E=− 2/1mkr^2, where k is a constant and r is the distance of the particle from origin. Assuming Bohr’s model of quantization of angular momentum and circular orbit, r is directly proportional to:
10
Nov
A small particle of mass m moves in such a way that P.E=− 2/1mkr^2, where k is a constant and r is the distance of the particle from origin. Assuming Bohr’s model of quantization of angular momentum and circular orbit, r is directly proportional to: A small particle of mass m moves in such a [...]
For a hypothetical hydrogen like atom, the potential energy of the system is given by U(r)= r^3/−Ke^2, where r is the distance between the two particles. If Bohr’s model of quantization of angular momentum is applicable, then velocity of particle is given by:
10
Nov
For a hypothetical hydrogen like atom, the potential energy of the system is given by U(r)= r^3/−Ke^2, where r is the distance between the two particles. If Bohr’s model of quantization of angular momentum is applicable, then velocity of particle is given by: For a hypothetical hydrogen like atom the potential energy of the system [...]
A single electron in an ion has ionization energy equal to 217.6eV. What is the total number of neutrons present in one ion of it?
10
Nov
A single electron in an ion has ionization energy equal to 217.6eV. What is the total number of neutrons present in one ion of it? A single electron in an ion has ionization energy equal to 217.6eV. What is the total number of neutrons present in one ion of it? November 10, 2020 Category: Chapter [...]
Potential energy of electron present in He^+ is :
10
Nov
Potential energy of electron present in He^+ is : Potential energy of electron present in He^+ is : November 10, 2020 Category: Chapter 2 - Atomic Structure (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
The Schrodinger wave equation for hydrogen atom is : Ψ(r)=1/16 root4–√(1a0)3/2 [(σ2−1)(σ^2−8σ+12)]e^−σ/2 where a0 and z are the constant in which answer can be expressed and σ 2zr/a0 minimum and maximum position of radial nodes from nucleus are ……. respectively.
10
Nov
The Schrodinger wave equation for hydrogen atom is : Ψ(r)=1/16 root4–√(1a0)3/2 [(σ2−1)(σ^2−8σ+12)]e^−σ/2 where a0 and z are the constant in which answer can be expressed and σ 2zr/a0 minimum and maximum position of radial nodes from nucleus are ……. respectively. Which of the following have maximum number of unpaired electrons? November 10, 2020 Category: Chapter [...]