Chapter 2 – Atomic Structure
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For emission line of atomic hydrogen from ni = 8 to n f- the plot of wave number ( v ˉ ) against ( n^2/1 ) will be: (The Rydberg constant, RH is in wave number unit).
09
Nov
For emission line of atomic hydrogen from ni = 8 to n f- the plot of wave number ( v ˉ ) against ( n^2/1 ) will be: (The Rydberg constant, RH is in wave number unit). For emission line of atomic hydrogen from ni = 8 to n f- the plot of wave number [...]
Heat treatment of muscular pain involves radiation of wavelength of about 900 nm. Which spectral line of H-atom is suitable for this purpose ? [RH =1×10^5 cm^−1 ,h=6.6×10^−34 Js, c=3×10^8 ms^−1 ]
09
Nov
Heat treatment of muscular pain involves radiation of wavelength of about 900 nm. Which spectral line of H-atom is suitable for this purpose ? [RH =1×10^5 cm^−1 ,h=6.6×10^−34 Js, c=3×10^8 ms^−1 ] c=3×10^8 ms^−1 ] h=6.6×10^−34 Js Heat treatment of muscular pain involves radiation of wavelength of about 900 nm. Which spectral line of H-atom [...]
Which of the following combination of statements is true regarding the interpretation of the atomic orbitals? (a) An electron in an orbital of high angular momentum stays away from the nucleus than an electron in the orbital of lower angular momentum. (b) For a given value of the principal quantum number, the size of the orbit is inversely proportional to the azimuthal quantum number. (c) According to wave mechanics, the ground state angular momentum is h equal to 2π/h (d) The plot of ψ vs for various azimuthal quantum numbers, show peak shifting towards a higher r value.
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Nov
Which of the following combination of statements is true regarding the interpretation of the atomic orbitals? (a) An electron in an orbital of high angular momentum stays away from the nucleus than an electron in the orbital of lower angular momentum. (b) For a given value of the principal quantum number, the size of the [...]
The de Broglie wavelength is the wavelength, λ, associated with a photoelectron varies with the frequency (v) of the incident radiation as,(v0 is threshold frequency)
09
Nov
The de Broglie wavelength is the wavelength, λ, associated with a photoelectron varies with the frequency (v) of the incident radiation as,(v0 is threshold frequency) (v0 is threshold frequency) associated with a photoelectron varies with the frequency (v) of the incident radiation as The de Broglie wavelength is the wavelength λ November 9, 2020 Category: [...]
If the de Broglie wavelength of the electron in n th Bohr orbit in a hydrogenic atom is equal to 1.5 πa0 (a0 is Bohr radius), then the value of n/z is:
09
Nov
If the de Broglie wavelength of the electron in n th Bohr orbit in a hydrogenic atom is equal to 1.5 πa0 (a0 is Bohr radius), then the value of n/z is: If the de Broglie wavelength of the electron in n th Bohr orbit in a hydrogenic atom is equal to 1.5 πa0 (a0 [...]
The quantum number of four electrons are given below- I. n=4,l=2,m l =−2,m s =−1/2 II. n =3,l=2,m l =1,m s =+1/2 III. n=4,l=1,m l =0,m s =+1/2 IV. n =3,l=1,m l =1,m s =−1/2 The correct order of their increasing energy will be:
09
Nov
The quantum number of four electrons are given below- I. n=4,l=2,m l =−2,m s =−1/2 II. n =3,l=2,m l =1,m s =+1/2 III. n=4,l=1,m l =0,m s =+1/2 IV. n =3,l=1,m l =1,m s =−1/2 The correct order of their increasing energy will be: l=1 l2 m l =−2 m l =0 m [...]
For any given series of spectral lines of atomic hydrogen, let Δ v = v max − v min be the difference in maximum and minimum frequencies in cm^ −1 . The ratio of Δv Lyman / Δv Balmer is:
09
Nov
For any given series of spectral lines of atomic hydrogen, let Δ v = v max − v min be the difference in maximum and minimum frequencies in cm^ −1 . The ratio of Δv Lyman / Δv Balmer is: For any given series of spectral lines of atomic hydrogen let Δ v = [...]
The graph between ∣Ψ∣^2 and r (radial distance) is shown below. This represents:
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Nov
The graph between ∣Ψ∣^2 and r (radial distance) is shown below. This represents: The graph between ∣Ψ∣^2 and r (radial distance) is shown below. This represents: November 9, 2020 Category: Chapter 2 - Atomic Structure , Chemistry , JEE Adv and Mains Chemistry 41 Years Solved Video Solutions 1979 - 2019 ,
The ratio of the shortest wavelength of two spectral series of hydrogen spectrum is found to be about 9. The spectral series are
09
Nov
The ratio of the shortest wavelength of two spectral series of hydrogen spectrum is found to be about 9. The spectral series are The ratio of the shortest wavelength of two spectral series of hydrogen spectrum is found to be about 9. The spectral series are November 9, 2020 Category: Chapter 2 - Atomic Structure [...]
The electrons are more likely to be found :
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Nov
The electrons are more likely to be found : The electrons are more likely to be found : November 9, 2020 Category: Chapter 2 - Atomic Structure , Chemistry , JEE Adv and Mains Chemistry 41 Years Solved Video Solutions 1979 - 2019 ,