1
JEE Main 2021 (Online) 1st September Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The Crystal Field Stabilization Energy (CFSE) and magnetic moment (spin-only) of an octahedral aqua complex of a metal ion (Mz+) are $$-$$0.8 $$\Delta$$0 and 3.87 BM, respectively. Identify (Mz+) :
A
V3+
B
Cr3+
C
Mn4+
D
Co2+
2
JEE Main 2021 (Online) 1st September Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The potassium ferrocyanide solution gives a Prussian blue colour, when added to :
A
CoCl3
B
FeCl2
C
CoCl2
D
FeCl3
3
JEE Main 2021 (Online) 31st August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Spin only magnetic moment in BM of [Fe(CO)4(C2O4)]+ is :
A
5.92
B
0
C
1
D
1.73
4
JEE Main 2021 (Online) 31st August Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The denticity of an organic ligand, biuret is :
A
2
B
4
C
3
D
6
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