The maximum possible denticities of a ligand
given below towards a common transition and
inner-transition metal ion, respectively, are :
A
8 and 6
B
8 and 8
C
6 and 8
D
6 and 6
2
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
The correct statements among I to III are :
(I) Valence bond theory cannot explain the
color exhibited by transition metal
complexes.
(II) Valence bond theory can predict
quantitatively the magnetic properties of
transtition metal complexes.
(III) Valence bond theory cannot distinguish
ligands as weak and strong field ones.
A
(II) and (III) only
B
(I) and (II) only
C
(I), (II) and (III)
D
(I) and (III) only
3
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
4
JEE Main 2019 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
The one that will show optical activity is :
(en = ethane-1,2-diamine)
