1
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
The species that can have a trans-isomer is :
(en = ehane-1, 2-diamine, ox = oxalate)
A
[Cr(en)2(ox)]+
B
[Pt(en)Cl2]
C
[Pt(en)2Cl2]2+
D
[Zn(en)Cl2]
2
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Three complexes,
[CoCl(NH3)5] 2+(I),
[Co(NH3)5H2O]3+ (II) and
[Co(NH3)6] 3+(III)
absorb light in the visible region. The correct order of the wavelength of light absorbed by them is :
A
(III) > (I) > (II)
B
(III) > (II) > (I)
C
(I) > (II) > (III)
D
(II) > (I) > (III)
3
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
The maximum possible denticities of a ligand given below towards a common transition and inner-transition metal ion, respectively, are : JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Coordination Compounds Question 178 English
A
8 and 6
B
8 and 8
C
6 and 8
D
6 and 6
4
JEE Main 2019 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
The degenerate orbitals of [Cr(H2O)6]3+ are :
A
dx2 and dxz
B
dxz and dyz
C
dyz and dz2
D
dx2 - y2 and dxy
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