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The arrangement of orbitals on the basis of energy is based upon their (n + l) value. Lower the value of (n + l), lower is the energy. For orbitals having same values of (n + l), the orbital with - Chemistry

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प्रश्न

The arrangement of orbitals on the basis of energy is based upon their (n + l) value. Lower the value of (n + l), lower is the energy. For orbitals having same values of (n + l), the orbital with lower value of n will have lower energy.

Based upon the above information, solve the questions given below:

Which of the following orbitals has the lowest energy?

5p, 5d, 5f, 6s, 6p

अति संक्षिप्त उत्तर
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उत्तर

Orbitals n n + l
5p 5 6
5d 5 7
5f 5 8
6s 6 6
6p 6 7

The highest energy orbital is 5f

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अध्याय 2: Structure of Atom - Multiple Choice Questions (Type - I) [पृष्ठ १९]

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एनसीईआरटी एक्झांप्लर Chemistry [English] Class 11
अध्याय 2 Structure of Atom
Multiple Choice Questions (Type - I) | Q 27.(ii).(b) | पृष्ठ १९

संबंधित प्रश्न

Using s, p, d notations, describe the orbital with the following quantum numbers n = 4; l = 2.


Choose the correct option.

Principal Quantum number describes -


Explain the anomalous behaviour of copper.


Write orbital notations for the electron in orbitals with the following quantum numbers.

n = 4, l = 2


Write condensed orbital notation of electronic configuration of the following element:

Chlorine (Z = 17)


The principal quantum number (n) and magnetic quantum number (ml) for the valence electrons of rubidium atom (Z = 37) are ____________ respectively.


The designation of a subshell with n = 6 and l = 2 is ____________.


Which one of the following orders is CORRECT in case of energy of the given subshells?

P: n = 4; l = 3

Q: n = 5; I = 1

R: n = 5; l = 0

S: n = 4; l = 2


Which of the following has a greater number of electrons than neutrons?

(Mass number of Mg, C, O and Na is 24, 12, 16 and 23 respectively).


The pair of ions having same electronic configuration is ______.


Which of the following sets of quantum numbers are correct?

  `n` `l` `m_l`
(i) 1 1 +2
(ii) 2 1 +1
(iii) 3 2 –2
(iv) 3 4 –2

The arrangement of orbitals on the basis of energy is based upon their (n + l) value. Lower the value of (n + l), lower is the energy. For orbitals having same values of (n + l), the orbital with lower value of n will have lower energy.

Based upon the above information, arrange the following orbitals in the increasing order of energy.

4s, 3s, 3p, 4d


The arrangement of orbitals on the basis of energy is based upon their (n + l) value. Lower the value of (n + l), lower is the energy. For orbitals having same values of (n + l), the orbital with lower value of n will have lower energy.

Based upon the above information, arrange the following orbitals in the increasing order of energy.

5p, 4d, 5d, 4f, 6s


The arrangement of orbitals on the basis of energy is based upon their (n + l) value. Lower the value of (n + l), lower is the energy. For orbitals having same values of (n + l), the orbital with lower value of n will have lower energy.

Based upon the above information, arrange the following orbitals in the increasing order of energy.

5f, 6d, 7s, 7p


Choose the INCORRECT statement


Which of the following is the correct plot for the probability density ψ2 (r) as a function of distance 'r' of the electron from the nucleus for 2s orbitals?


Which of the following is not the permissible arrangement of electrons in an atom?


In the case of R, S configuration the group having the highest priority is ______.


Which one of the following laws will represent the pairing of electrons in a subshell after each orbital is filled with one electron?


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