The bond distance of H-H bond is
1.44 Å
1.98 Å
0.74 Å
2.28 Å
The bond length of Cl2 molecule is
0.74
1.44
1.98
2.28
When XA>>XB, A–B bond is
Covalent
Non-polar covalent
Ionic
Metallic
The value of C-C distance found experimentally in a saturated hydrocarbon is
1.34Å
1.36Å
1.54Å
1.56Å
Noble gases have _____electron affinity.
High
Low
Zero
Very low
Pick the correct statement
Carbon having more nuclear charge than boron
The size of carbon atom is larger than boron
Carbon forms electron deficient compounds
Carbon forms ionic compounds
Among the following which has higher electron affinity value
Fluorine
Chlorine
Bromine
Iodine
Across the period, electron affinity
decreases
increases
decrease and then increases
increase and then decreases
Among the following which has the maximum ionisation energy
Alkali elements
Alkaline elements
Halogens
Noble gases
Electronegativity of an atom is
Directly proportional to its nuclear charge
directly proportional to its atomic radii
inversely proportional to its nuclear charge
independent
