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1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
In which of the following pairs of molecules/ ions, the central atoms have sp2 hybridisation ?
A
NO$$_2^{ - }$$ and NH3
B
BF3 and NO$$_2^{ - }$$
C
NH$$_2^{ - }$$ and H2O
D
BF3 and NH$$_2^{ - }$$
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
According to MO theory which of the lists ranks the nitrogen species in terms of increasing bond order ?
A
$$N_2^{2 - } < N_2^ - < {N_2}$$
B
$${N_2} < N_2^{2 - } < N_2^ - $$
C
$$N_2^ - < N_2^{2 - } < {N_2}$$
D
$$N_2^ - < {N_2} < N_2^{2 - }$$
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