1
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
In which of the following molecules the central atom does not have sp3 hybridization?
A
CH4
B
SF4
C
BF4$$-$$
D
NH4+
2
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
Among the elements Ca, Mg, P and Cl, the order of increasing atomic radii is
A
Mg < Ca < Cl < P
B
Cl < P < Mg < Ca
C
P < Cl < Ca < Mg
D
Ca < Mg < P < Cl
3
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
Among the following which one has the highest cation to anion size ratio ?
A
CsI
B
CsF
C
LiF
D
NaF
4
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
A 0.66 kg ball is moving with a speed of 100 m/s. The associated wavelength will be

(h = 6.6 $$ \times $$ 10$$-$$34 J s)
A
6.6 $$ \times $$ 10$$-$$32 m
B
6.6 $$ \times $$ 10$$-$$34 m
C
1.0 $$ \times $$ 10$$-$$35 m
D
1.0 $$ \times $$ 10$$-$$32 m
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