1
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Among the following species, the diamagnetic molecule is
A
CO
B
B2
C
O2
D
NO
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 Evening Slot
MCQ (Single Correct Answer)
+4
-1
HF has highest boiling point among hydrogen halides, because it has :
A
lowest dissociation enthalpy
B
strongest hydrogen bonding
C
lowest ionic character
D
strongest van der Waals' interactions
4
JEE Main 2019 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Among the following, the molecule expected to be stabilized by anion formation is :
C2, O2, NO, F2
A
C2
B
NO
C
O2
D
F2
JEE Main Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12