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Which of the following statements regard...

Which of the following statements regarding an orbital are correct

A

An orbital is a definite trajectory around the nucleus in which electron can move

B

An orbital always has spherical trajectory

C

An orbital is the region around the nucleus where there is a `90 - 95%` probability of finding all the electrons of an atom

D

An orbital is characterized by 3 quantum numbers n,1 andm

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The correct Answer is:
C
in an orbital `e^(-)` probability is 95% or more
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NARAYNA-ATOMIC STRUCTURE-All Questions
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  2. The maximum probability of finding electron in the d(xy) orbital is -

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  3. Which of the following statements regarding an orbital are correct

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  5. What is the full degeneracy of the n =3 state of a H-atom in the absen...

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  6. For the azimuthal quantum number 'I' the total number of magnetic quan...

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  7. How many sets of four quantum numbers are possible for electron presen...

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  8. The set of quantum numbers, n = 2, l = 2, m(l) = 0 :

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  9. The sub-energy level which can accommodate maximum number of electrons...

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  10. The azimuthal quantum number and the principal quantum number of the 1...

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  11. The orbital with lowest energy in which an electron with Azimuthal qua...

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  12. The quantum numbers n = 3, l = 1, m = +1 and s = +1//2 represent the u...

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  13. The magnetic quantum number m for the outermost electron in the Na ato...

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  14. Which of the following sets of quantum numbers is correct for an elect...

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  15. Which of the following arrangements of electron is mostly likely to th...

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  16. Aufbay principle fails to explain the configuration of element with at...

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  17. Total number of electron in any energy level is

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  19. n and l values of an orbital A and 3 are 2 and another orbital B are 5...

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