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Which one is a wrong statement ?...

Which one is a wrong statement ?

A

Total orbital angular momentum of electron in s-orbital is equal to zero.

B

An orbital is designated by three quantum numbers while an electron in an atom is designated by four quantum numbers.

C

The electronic configuration of N atom is

D

The value of m for `d_(z^2)` is zero.

Text Solution

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The correct Answer is:
C
Option (c ) is wrong according to Hund.s rule.
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MODERN PUBLICATION-STRUCTURE OF ATOM-COMPETITION FILE ,OBJECTIVE TYPE QUESTIONS (B. MULTIPLE CHOICE QUESTIONS)
  1. Which of the following pairs of d-orbitals will hare electron density ...

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  2. Which one is the wrong statement ?

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  3. Which one is a wrong statement ?

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  4. 4d, 5p, 5f and 6p orbitals are arranged in the order of decreasing ene...

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  5. Which of the following series of transitions in the spectrum of hydrog...

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  6. Which of the following sets of quantum numbers represents the highest ...

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  7. The ionisation energy of hydrogen atom is 1.312xx10^(6) J "mol"^(-1)....

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  8. In an atom, an electron is moving with a speed of 600 m//s with an ac...

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  9. Calculate the wavelength ( in nanometer ) associated with a proton mov...

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  10. What is the maximum number of emission lines obtained when the excited...

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  11. The wave number of the spectral line in the emission spectrum of hydro...

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  12. Ionisation energy of He^+ is 19.6 xx 10^-18 J "atom"^(-1). The energy ...

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  13. What transition in the hydrogen spectrum would have the same wavelen...

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  14. For balmer series in the spectrum of atomic hydrogen the wave number...

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  15. The frequency of light emitted for the transition n = 4 to n =2 of He^...

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  16. The ratio of the frequency corresponding to the third line in the lyma...

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  17. The electronic, identified by quantum numbers n and l, (i) n = 4, l = ...

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  18. The electronic configuration of Cu^(2+)ion is :

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  19. The ionization enthalpy of He^(+) ion is 19.60 xx 10^(-18) J "atom"^(-...

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  20. Energy of an electron is givem by E = - 2.178 xx 10^-18 J ((Z^2)/(n^2)...

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