1
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
Which one of the following is an amphoteric oxide?
A
Na2O
B
SO2
C
B2O3
D
ZnO
2
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
An ethar is more volatile than an alcohol having the same molecular formula. This is due to
A
alcohols having resonance structures
B
inter-molecular hydrogen bonding in ethers
C
inter-molecular hydrogen bonding in alcohols
D
dipole characters of ethers
3
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
Which one of the following pairs of molecules will have permanent dipole moments for both members
A
NO2 and CO2
B
NO2 and O3
C
SiF4 abd CO2
D
SiF4 abd NO2
4
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
Which one of the following compounds has the smallest bond angle in its molecule?
A
OH2
B
SH2
C
NH3
D
SO2
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