1
IIT-JEE 1997
MCQ (Single Correct Answer)
+1
-0.25
The critical temperature of water is higher than that of O2 because the H2O molecule has
A
fewer electrons than O2
B
two covalent bonds
C
V-shape
D
dipole moment
2
IIT-JEE 1997
MCQ (Single Correct Answer)
+1
-0.25
Which contains both polar and non-polar bonds?
A
NH4Cl
B
HCN
C
H2O2
D
CH4
3
IIT-JEE 1997
MCQ (Single Correct Answer)
+1
-0.25
Which one of the following compounds has sp2 hybridization?
A
CO2
B
SO2
C
N2O
D
CO
4
IIT-JEE 1996
MCQ (Single Correct Answer)
+1
-0.25
The number and type of bonds between two carbon atoms in CaC2 are:
A
one sigma ($$\sigma$$) and one pi ($$\pi$$) bonds
B
one sigma ($$\sigma$$) and two pi ($$\pi$$) bonds
C
one sigma ($$\sigma$$) and one and a half pi ($$\pi$$) bonds
D
one sigma ($$\sigma$$) bond
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