No. of questions - 27
Time - 15 min
1.
According to VSEPR theory the repulsion between different pair (lone or bond) of electrons obey the order
2.
Which of the following shows minimum melting point?
3.
Chlorine atom tends to acquire the structure of:
4.
Unusually high boiling point of water is result of
5.
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?
6.
An electrovalent compound does not exhibit space isomerism due to:
7.
Molecular orbital theory was given by
8.
The low density of ice compared to water is due to
9.
The bond between atoms of two elements of atomic number 37 and 53 is:
10.
Silicon has 4 electrons in the outermost orbit. In forming the bond:
12.
Which of the following characteristics regarding halogens is not correct?
13.
Intramolecular hydrogen bond is present in
14.
The number of S – S bonds in sulphur trioxide is
15.
Electron deficient species are known as:
16.
What is the effect of more electronegative atom on the strength of ionic bond?
18.
Shape of molecules is decided by:
19.
Which of the following is false?
20.
Which of the following pairs will from the most stable ionic bond?
21.
The number of sigma and pi bonds in peroxodisulphuric acid are respectively
22.
Which of the following atoms has minimum covalent radius?
23.
The shape of carbon dioxide is
24.
C − Cl bond is stronger than C – I bond, because
25.
The electron affinity for inert gases is likely to be:
26.
The bond between two identical non-metal atoms has a pair of electrons:
27.
One would expect the elemental form of Cs at room temperature to be:
