CCl4 is insoluble in water because
Water is polar
CCl4 is non polar
Water and CCl4 are polar
Water and CCl4 are non polar
Which compounds usually exist in the form of crystalline solids at room temperature?
Ionic
Covalent
co-ordinate
dative
A substance undergoing oxidation acts as
oxidising agent
reducing agent
redoxing agent
dehydrating agent
The tendency of an atom to pull the shared pair of electrons towards its own side in a covalent bond is
electronegativity
electroaffinity
ionisation potential
electropositivity
A compound having one lone pair of electrons
Water
Methane
Ammonia
Hydrogen sulphide
Which shows non - directional bonding?
BCl3
CsCl
NCl3
BeCl3
Which of the following has the largest electron affinity?
F
Cl
Br
I
Which metals possess practically no tendency to form chemical bonds and to enter into chemical combination.
Alkali metals
Alkaline earth metals
Halogens
Noble gases
Who stated that,during the formation of a chemical bond,atoms combine together by gaining,losing or sharing electrons in such a way that they acquire stable noble gas configuration?
Lewis and Bronsted
Bohr and Bury
Bohr and Lewis
Kossel and Lewis
The combining atoms have equal electron affinities prefer which bond?
ionic
covalent
electrovalent
