No. of questions - 27
Time - 15 min
1.
Electron deficient species are known as:
2.
Unusually high boiling point of water is result of
3.
Intramolecular hydrogen bond is present in
4.
The number of sigma and pi bonds in peroxodisulphuric acid are respectively
5.
Which of the following characteristics regarding halogens is not correct?
6.
One would expect the elemental form of Cs at room temperature to be:
7.
An electrovalent compound does not exhibit space isomerism due to:
8.
The shape of carbon dioxide is
9.
C − Cl bond is stronger than C – I bond, because
10.
According to VSEPR theory the repulsion between different pair (lone or bond) of electrons obey the order
11.
Which of the following shows minimum melting point?
12.
Which of the following atoms has minimum covalent radius?
13.
The low density of ice compared to water is due to
14.
Silicon has 4 electrons in the outermost orbit. In forming the bond:
16.
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?
17.
The number of S – S bonds in sulphur trioxide is
18.
Which of the following is false?
19.
Which of the following pairs will from the most stable ionic bond?
20.
Molecular orbital theory was given by
21.
The bond between two identical non-metal atoms has a pair of electrons:
22.
Chlorine atom tends to acquire the structure of:
23.
Shape of molecules is decided by:
24.
The bond between atoms of two elements of atomic number 37 and 53 is:
25.
What is the effect of more electronegative atom on the strength of ionic bond?
27.
The electron affinity for inert gases is likely to be:
