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Chemical Bonding - 4
1.
An ionic compound will dissolve in water only if
a) Hydration energy is low and lattice energy is high.
b) Hydration energy is high and lattice energy is very high
c) Hydration energy is high and lattice energy is low
d) Hydration energy is low and lattice energy is low.
2.
Ionic compounds do not show the phenomenon of isomerism because bond are.
a) Directional and rigid
b) All above.
c) None directional and non rigid
d) Non directional and rigid
3.
Some covalent compounds are soluble in water because of
a) hydrolysis.
b) none.
c) Hydration.
d) hydrogen bonding.
4.
Which of the following molecules have unpaired electrons is the bonding molecular orbitals.
a) F
2
b) N
2
c) B
2
d) O
2
5.
Decrease in atomic radius along a period
a) Cesium
b) Increased nuclear charge.
c) Increased atomic radius
d) Cation
6.
Smaller than neutral atom
a) Cesium
b) Increased nuclear charge.
c) Cation
d) Increased atomic radius
7.
Electron affinity of nitrogen
a) Cesium
b) Increased nuclear charge.
c) 0.00
d) Cation
8.
Decrease in ionization potential in a group
a) Cesium
b) Increased atomic radius
c) Cation
d) Increased nuclear charge.
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