No. of questions - 27
Time - 15 min
1.
Which of the following pairs will from the most stable ionic bond?
2.
Unusually high boiling point of water is result of
3.
The electron affinity for inert gases is likely to be:
4.
Shape of molecules is decided by:
5.
C − Cl bond is stronger than C – I bond, because
6.
The shape of carbon dioxide is
7.
One would expect the elemental form of Cs at room temperature to be:
8.
Electron deficient species are known as:
9.
The number of S – S bonds in sulphur trioxide is
10.
According to VSEPR theory the repulsion between different pair (lone or bond) of electrons obey the order
11.
Which of the following characteristics regarding halogens is not correct?
12.
Which of the following is false?
14.
Chlorine atom tends to acquire the structure of:
15.
The number of sigma and pi bonds in peroxodisulphuric acid are respectively
16.
What is the effect of more electronegative atom on the strength of ionic bond?
17.
Silicon has 4 electrons in the outermost orbit. In forming the bond:
18.
Intramolecular hydrogen bond is present in
19.
Which of the following atoms has minimum covalent radius?
20.
Which of the following shows minimum melting point?
21.
Molecular orbital theory was given by
22.
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.
The low density of ice compared to water is due to
25.
The bond between atoms of two elements of atomic number 37 and 53 is:
26.
The bond between two identical non-metal atoms has a pair of electrons:
27.
An electrovalent compound does not exhibit space isomerism due to:
