Which of the following pairs of ions have the same electronic configuration ?

Chemistry · JEE Advanced · NTA Exams — Atomic Structure

1. Cr³⁺, Fe³⁺
2. Fe³⁺, Mn²⁺
3. Fe³⁺, Co³⁺
4. Sc³⁺, Cr³⁺

Answer

(B) Fe 3+ , Mn 2+

Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.

Related practice questions

• The orbital angular momentum of an electron in 2s orbital is (1992)
• The ratio of the energy of a photon of 200 Å wavelength radiation to that of 4000 Å radiation is (1986)
• The hydrogen-like species Li 2+ is in a spherically symmetric state S 1 with one radial node. Upon absorbing…
• When alpha particles are sent through a thin metal foil, most of them go straight through the foil because
• Suppose 10 –17 J of light energy is needed by the interior of human eye to see an object. The photons of…
• Assertion : Accurate measurement of both positions and momentum can be done simultaneously for a…
• Which of the following configuration is/are correct in the first excited state ?
• The mass number of three isotopes of an element are 11, 12, and 13 units. Their percentage abundances 80, 15…

More Atomic Structure questions · Browse all practice questions