JEE Main 2020 · ChemistryMultiple choiceSingle correctHardMulti-step

JEE Main 2 September 2020, Shift 1, Chemistry Q37

Question 37 of 75 in this shift, Chemistry question 12 of 25.

Consider that a

d^{6}

metal ion (

\mathrm{M^{2+}}

) forms a complex with aqua ligands, and the spin only magnetic moment of the complex is 4.90 BM. The geometry and the crystal field stabilization energy of the complex is :

(1)octahedral and $-2.4\Delta_0+2P$
(2)tetrahedral and $-0.6\Delta_t$ Official answer
(3)octahedral and $-1.6\Delta_0$
(4)tetrahedral and $-1.6\Delta_t+1P$

Official answer

Option 2

NTA final key (Sep 2020).

Chapter: Coordination Compounds
Topic: Crystal Field Theory
Idea tested: CFSE Calculation

JEE Main 2 September 2020, Shift 1, Chemistry Q37

Same idea in other shifts