Which type of bonding is formed between the two molecules of same or different compounds ?
Intra molecular hydrogen bonding
Inter molecular hydrogen bonding
A and B
None of these
Shape of s-orbital is :
Dumb-bell
Spherical
Hexagonal
Tetrahedral
In water molecule, the electronegative oxygen atom forms two polar covalent bonds with ________ atoms.
C
H
S
N
What is the frequency of a light wave whose period is 2.0 x 10-10 s ?
5 x 109 s
4 x 109 s
5 x 109 s-1
4 x 109 s-1
Which of the following transitions have minimum wavelength ?
n4 → n1
n2 → n1
n4 → n2
n3 → n1
Dual character of an electron was explained by
Bohr
Heisenberg
de-Broglie
Pauli
The bond order of O2 molecule can be calculated as :
2
3
1
1/2
Dual nature of an electron was explained by :
For an electron(or any other material particle) of mass m moving with velocity V, λ= ____________ .
h/mv
h/v2
mv2/c
hc2/m
The bond order of N2 molecule can be calculated as :
6
