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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

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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?

4d, 4f, 5s, 5p

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उत्तर

Orbitals n n + l
4d 4 6
4f 4 7
5s 5 5
5p 5 6

The lowest energy orbital is 5s

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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).(a) | पृष्ठ १९

संबंधित प्रश्न

Using s, p, d notations, describe the orbital with the following quantum numbers n = 1, l = 0.


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


State the order of filling atomic orbitals following Aufbau principle.


Write electronic configurations of \[\ce{Fe, Fe2+, Fe3+}\].


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

Silicon (Z = 14)


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

Calcium (Z = 20)


Indicate the number of unpaired electrons in \[\ce{Si}\] (Z = 14).


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


The three electrons have the following set of quantum numbers:

X = 6, 1, −1, `+1/2`

Y = 6, 0, 0, `+1/2`

Z = 5, 1, 0, `+1/2`

Identify the CORRECT statement.


How many electrons can fit in the orbital for which n = 4 and l = 2?


Which one of the following is NOT possible?


Which of the following properties of atom could be explained correctly by Thomson Model of atom?


Total number of orbitals associated with third shell will be ______.


The pair of ions having same electronic configuration is ______.


Nickel atom can lose two electrons to form \[\ce{Ni^{2+}}\] ion. The atomic number of nickel is 28. From which orbital will nickel lose two electrons.


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, solve the questions given below:

Which of the following orbitals has the lowest energy?

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


What are the possible values of magnetic quantum number for p orbital?


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