1
AIEEE 2012
MCQ (Single Correct Answer)
+4
-1
Ortho–Nitrophenol is less soluble in water than p– and m– Nitrophenols because :
A
o–Nitrophenol is more volatile in steam than those of m – and p–isomers
B
o–Nitrophenol shows Intramolecular H–bonding
C
o–Nitrophenol shows Intermolecular H–bonding
D
Melting point of o–Nitrophenol is lower than those of m–and p–isomers.
2
AIEEE 2012
MCQ (Single Correct Answer)
+4
-1
The increasing order of the ionic radii of the given isoelectronic species is :
A
Cl, Ca2+ , K+ , S2–
B
S2–, Cl, Ca2+ , K+
C
Ca2+ , K+ , Cl , S2–
D
K+, S2–, Ca2+, Cl
3
AIEEE 2012
MCQ (Single Correct Answer)
+4
-1
The electrons identified by quantum numbers n and l :
(a) n = 4, $$l$$ = 1
(b) n = 4, $$ l$$ = 0
(c) n = 3, $$l$$ = 2
(d) n = 3, $$l$$ = 1
Can be placed in order of increasing energy as :
A
(c) < (d) < (b) < (a)
B
(d) < (b) < (c) < (a)
C
(b) < (d) < (a) < (c)
D
(a) < (c) < (b) < (d)
4
AIEEE 2012
MCQ (Single Correct Answer)
+4
-1
Let X = {1, 2, 3, 4, 5}. The number of different ordered pairs (Y, Z) that can be formed such that Y $$ \subseteq $$ X, Z $$ \subseteq $$ X and Y $$ \cap $$ Z is empty, is :
A
35
B
25
C
53
D
52
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