Higher the lattice energy,greater will be the ease of formation of
atoms
molecules
elements
compounds
The compounds exist either in the gaseous state or in the liquid state are
Ionic
Covalent
electrovalent
dative
The most electropositive element among the following is
Nitrogen
Calcium
Cesium
Chlorine
CCl4 is insoluble in water because
Water is polar
CCl4 is non polar
Water and CCl4 are polar
Water and CCl4 are non polar
Electrovalent compounds have boiling point
Low
High
Zero
average
Multiple co-valent bond exists in the molecule of
F2
H2
N2
C2H6
A substance undergoing reduction acts as
Oxidising agent
reducing agent
redoxing agent
dehydrating agent
Who defined oxidation is the process in which an atom,molecule or ion loses one or more electrons?
Lewis
Arrhenius
Lawry Bronsted
JJ Thomson
Which shows non - directional bonding?
BCl3
CsCl
NCl3
BeCl3
Which compounds are unable to exhibit stereoisomerism?
Co-ordinate
Dative