No. of questions - 27
Time - 15 min
1.
The bond between two identical non-metal atoms has a pair of electrons:
2.
The number of S – S bonds in sulphur trioxide is
3.
C − Cl bond is stronger than C – I bond, because
4.
Which of the following pairs will from the most stable ionic bond?
5.
Which of the following shows minimum melting point?
6.
Intramolecular hydrogen bond is present in
8.
Shape of molecules is decided by:
9.
Unusually high boiling point of water is result of
10.
The shape of carbon dioxide is
11.
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?
12.
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.
According to VSEPR theory the repulsion between different pair (lone or bond) of electrons obey the order
15.
An electrovalent compound does not exhibit space isomerism due to:
16.
Molecular orbital theory was given by
17.
The bond between atoms of two elements of atomic number 37 and 53 is:
18.
The low density of ice compared to water is due to
20.
The number of sigma and pi bonds in peroxodisulphuric acid are respectively
21.
The electron affinity for inert gases is likely to be:
22.
One would expect the elemental form of Cs at room temperature to be:
23.
Which of the following atoms has minimum covalent radius?
24.
Which of the following is false?
25.
Electron deficient species are known as:
26.
Chlorine atom tends to acquire the structure of:
27.
Which of the following characteristics regarding halogens is not correct?
