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1
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
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
2
JEE Main 2019 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
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
3
JEE Main 2019 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The one that will show optical activity is :
(en = ethane-1,2-diamine)
A
JEE Main 2019 (Online) 9th April Morning Slot Chemistry - Coordination Compounds Question 207 English Option 1
B
JEE Main 2019 (Online) 9th April Morning Slot Chemistry - Coordination Compounds Question 207 English Option 2
C
JEE Main 2019 (Online) 9th April Morning Slot Chemistry - Coordination Compounds Question 207 English Option 3
D
JEE Main 2019 (Online) 9th April Morning Slot Chemistry - Coordination Compounds Question 207 English Option 4
4
JEE Main 2019 (Online) 8th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The calculated spin-only magnetic moments (BM) of the anionic and cationic species of [Fe(H2O)6]2 and [Fe(CN)6], respectively, are :
A
2.84 and 5.92
B
4.9 and 0
C
0 and 4.9
D
0 and 5.92
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