1
JEE Main 2016 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
The pair having the same magnetic moment is :
[At. No.: Cr = 24, Mn = 25, Fe = 26, Co = 27]
A
[Cr(H2O)6]2+ and [Fe(H2O)6]2+
B
[Mn(H2O)6]2+ and [Cr(H2O)6]2+
C
[CoCl4]2– and [Fe(H2O)6]2+
D
[Cr(H2O)6]2+ and [CoCl4]2–
2
JEE Main 2015 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following compounds is not colored yellow?
A
K3[Co(NO2)6]
B
(NH4)3[As(Mo3O10)4]
C
BaCrO4
D
Zn2[Fe(CN)6]
3
JEE Main 2015 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
The number of geometric isomers that can exist for square planar [Pt (Cl) (py) (NH3) (NH2OH)]+ is (py = pyridine) :
A
3
B
4
C
6
D
2
4
JEE Main 2014 (Offline)
MCQ (Single Correct Answer)
+4
-1
The octahedral complex of a metal ion M3+ with four monodentate ligands L1, L2, L3 and L4 absorb wavelengths in the region of red, green, yellow and blue, respectively. The increasing order of ligand strength of the four ligands is :
A
L3 < L2 < L4 < L1
B
L1 < L2 < L4 < L3
C
L4 < L3 < L2 < L1
D
L1 < L3 < L2 < L4
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