हिंदी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान कक्षा ११

The pair of ions having same electronic configuration is ______. - Chemistry

Advertisements
Advertisements

प्रश्न

The pair of ions having same electronic configuration is ______.

विकल्प

  • \[\ce{Cr^{3+}, Fe^{3+}}\]

  • \[\ce{Fe^{3+}, Mn^{2+}}\]

  • \[\ce{Fe^{3+}, Co^{3+}}\]

  • \[\ce{Sc^{3+}, Cr^{3+}}\]

MCQ
रिक्त स्थान भरें
Advertisements

उत्तर

The pair of ions having same electronic configuration is \[\ce{Fe^{3+}, Mn^{2+}}\].

Explanation:

\[\ce{Fe^{3+}}\] electronic configuration is 1s2 2s2 2p6 3s2 3p6 3d5 4s2

\[\ce{Mn^{2+}}\] electronic configuration is 1s2 2s2 2p6 3s2 3p6 3d5 4s2

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Structure of Atom - Multiple Choice Questions (Type - I) [पृष्ठ १६]

APPEARS IN

एनसीईआरटी एक्झांप्लर Chemistry [English] Class 11
अध्याय 2 Structure of Atom
Multiple Choice Questions (Type - I) | Q 14 | पृष्ठ १६

संबंधित प्रश्न

State Heisenberg uncertainty principle.


Define the term Electronic configuration.


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

n = 2, l = 1


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)


Draw shapes of 2s orbitals.


Explain in brief, the significance of the azimuthal quantum number.


Write a note on ‘Principal Quantum number.


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


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


Which one of the following is NOT possible?


In which of the following pairs, the ions are iso-electronic?

(i) \[\ce{Na^{+}, Mg^{2+}}\]

(ii) \[\ce{Al3^{+}, O-}\]

(iii) \[\ce{Na+ , O2-}\]

(iv) \[\ce{N3-, Cl-}\]


Which of the following statements concerning the quantum numbers are correct?

(i) Angular quantum number determines the three dimensional shape of the orbital.

(ii) The principal quantum number determines the orientation and energy of the orbital.

(iii) Magnetic quantum number determines the size of the orbital.

(iv) Spin quantum number of an electron determines the orientation of the spin of electron relative to the chosen axis.


The electronic configuration of valence shell of Cu is 3d104s1 and not 3d94s2. How is this configuration explained?


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 element do not follow Aufbau principle?


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


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×