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 2016 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following complexes shows optical isomerism?
(en = ethylenediamine)
A
cis[Co(en)2Cl2]Cl
B
trans[Co(en)2Cl2]Cl
C
[Co(NH3)4Cl2]Cl
D
[Co(NH3)3Cl3]
3
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]
4
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
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