No. of questions - 27
Time - 15 min
2.
Shape of molecules is decided by:
3.
The electron affinity for inert gases is likely to be:
5.
According to VSEPR theory the repulsion between different pair (lone or bond) of electrons obey the order
6.
The number of S – S bonds in sulphur trioxide is
7.
Which of the following is false?
8.
Which of the following atoms has minimum covalent radius?
9.
The shape of carbon dioxide is
10.
Chlorine atom tends to acquire the structure of:
11.
Which of the following characteristics regarding halogens is not correct?
12.
Which of the following shows minimum melting point?
13.
Which of the following pairs will from the most stable ionic bond?
14.
Intramolecular hydrogen bond is present in
15.
Unusually high boiling point of water is result of
16.
What is the effect of more electronegative atom on the strength of ionic bond?
17.
The low density of ice compared to water is due to
18.
The bond between atoms of two elements of atomic number 37 and 53 is:
19.
Molecular orbital theory was given by
20.
The number of sigma and pi bonds in peroxodisulphuric acid are respectively
21.
Silicon has 4 electrons in the outermost orbit. In forming the bond:
22.
An electrovalent compound does not exhibit space isomerism due to:
23.
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?
24.
Electron deficient species are known as:
25.
One would expect the elemental form of Cs at room temperature to be:
26.
C − Cl bond is stronger than C – I bond, because
27.
The bond between two identical non-metal atoms has a pair of electrons:
