1
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
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
2
JEE Main 2019 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
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
3
JEE Main 2019 (Online) 8th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The ion that has sp3d2 hybridization for the central atom, is :
A
[ICl2]-
B
[ICl4]-
C
[IF6]-
D
[BrF2]-
4
JEE Main 2019 (Online) 8th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The covalent alkaline earth metal halide (X = Cl, Br, I) is :
A
CaX2
B
SrX2
C
MgX2
D
BeX2
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