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Energy required to ionise 1 mole of gase...

Energy required to ionise 1 mole of gaseous`He^+ion` present in its ground state is

A

`108.8 N_AeV`

B

`13.6 `eV

C

`54.4` eV

D

`54.4 N_A eV`

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The correct Answer is:
D
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AAKASH INSTITUTE ENGLISH-MOCK TEST 4-Example
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  2. Which of the following is the most correct expression for Heisenberg's...

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  3. Energy required to ionise 1 mole of gaseousHe^+ion present in its grou...

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  4. Wave nature of electrons was experimentally verified by

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  5. Number of waves produced by an electron in one complete revolution in ...

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  6. What is the wavelength in nm of the spectral line associated with a tr...

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  7. The ionization potential for the electron in the ground state of the h...

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  8. The de-Broglie wavelength assocaited with a particle of mass 10^(-6) k...

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  9. An electron beam can undergo diffraction by crystals. Through what pot...

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  10. The radius of which of the following orbit is same as that of the firs...

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  11. The energy of electron in the first orbit of i He^+ is -871.6*10^-20 J...

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  12. The electrons, identified by quantum numbers n and l(i) n=4,l=1 (ii) n...

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  13. which of the following statements regarding Psi^2 is not correct?

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  14. which of the following orbitals has three angular nodes?

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  15. the current statement on the Aufbau principle is that

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  16. Which electronic level would allow the hydrogen atom to absorb a photo...

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  17. the orbital angular momentum of 4f electron is

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  18. Among V(Z=23), Cr(Z=24), Mn(Z=25) and Fe(Z=26), which will have the hi...

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  19. for 3d(z^2) orbital the value of l and m respectively are

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  20. in presence of external magnetic field, f subshell is

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