Double covalent bond exists in …………
a) C2H4
b)O2
c) CO2
d) all of these
The bond in which two atoms share three electron each called
a) single covalent bond
b) triple covalent bond
c) double covalent bond
d) ionic bond
A triple bond is denoted by a………….lines.
a) single
b) double
c) triple
d) none of these
Nitrogen attains the electronic configuration of which element by sharing of three electrons.
a) He
b) Ne
c) Ar
d) Kr
Sharing of electrons in the formation of covalent bond depends upon …….
a) electronegativity difference
b) electronic configuration
c) a & b both
d) none of these
If the electronegativity difference is more than 1.7 the bond will be ………
a) ionic
b) covalent
c) metallic
d) a & b both
