1
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
2
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.
3
AIEEE 2012
MCQ (Single Correct Answer)
+4
-1
In which of the following pairs the two species are not isostructural ?
A
$$CO_3^{2-}$$ and $$NO_3^-$$
B
$$PCl_4^{+}$$ and $$SiCl_4$$
C
PF5 and BrF5
D
$$AlF_6^-$$ and $$SF_6$$
4
AIEEE 2012
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The compressibility factor for a real gas at high pressure is :
A
1 + RT/pb
B
1
C
1 + pb/RT
D
1–pb/RT
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