1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Which one of the following species does not exist under normal conditions?
A
Be2+
B
Be2
C
B2
D
Li2
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
In which one of the following species the central atom has the type of hybridization which is not the same as that present in the other three ?
A
SF4
B
I3$$-$$
C
SbCl52$$-$$
D
PCl5
3
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
What is the dominant intermolecular force or bond that must be overcome in converting liquid CH3OH to a gas?
A
Dipole-dipole interaction
B
Covalent bonds
C
London dispersion force
D
Hydrogen bonding
4
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
In which of the following molecules/ions BF3, NO$$_2^ - $$, NH$$_2^ - $$ and H2O, the central atom is sp2 hybridised?
A
NH$$_2^ - $$ and H2O
B
NO$$_2^ - $$ and H2O
C
BF3 and NO$$_2^ - $$
D
NO$$_2^ - $$ and NH$$_2^ - $$
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