No. of questions - 27
Time - 15 min
1.
If the bond length and dipole moment of a diatomic molecule are 1.25 A and 1.0 D respectively, what is the per cent ionic character of the bond?
2.
Intramolecular hydrogen bond is present in
3.
Which of the following characteristics regarding halogens is not correct?
4.
Which of the following atoms has minimum covalent radius?
6.
An electrovalent compound does not exhibit space isomerism due to:
7.
Molecular orbital theory was given by
8.
Shape of molecules is decided by:
9.
One would expect the elemental form of Cs at room temperature to be:
10.
The shape of carbon dioxide is
11.
What is the effect of more electronegative atom on the strength of ionic bond?
13.
Silicon has 4 electrons in the outermost orbit. In forming the bond:
14.
The number of sigma and pi bonds in peroxodisulphuric acid are respectively
15.
According to VSEPR theory the repulsion between different pair (lone or bond) of electrons obey the order
16.
The low density of ice compared to water is due to
17.
The bond between two identical non-metal atoms has a pair of electrons:
18.
The number of S – S bonds in sulphur trioxide is
19.
Which of the following is false?
20.
Chlorine atom tends to acquire the structure of:
21.
Electron deficient species are known as:
22.
C − Cl bond is stronger than C – I bond, because
23.
Which of the following pairs will from the most stable ionic bond?
24.
The bond between atoms of two elements of atomic number 37 and 53 is:
25.
The electron affinity for inert gases is likely to be:
26.
Which of the following shows minimum melting point?
27.
Unusually high boiling point of water is result of
