No. of questions - 27
Time - 15 min
1.
Which of the following pairs will from the most stable ionic bond?
2.
The number of sigma and pi bonds in peroxodisulphuric acid are respectively
3.
The bond between atoms of two elements of atomic number 37 and 53 is:
4.
What is the effect of more electronegative atom on the strength of ionic bond?
5.
According to VSEPR theory the repulsion between different pair (lone or bond) of electrons obey the order
6.
Which of the following is false?
7.
The low density of ice compared to water is due to
8.
Silicon has 4 electrons in the outermost orbit. In forming the bond:
9.
Which of the following shows minimum melting point?
10.
Which of the following atoms has minimum covalent radius?
11.
Electron deficient species are known as:
12.
An electrovalent compound does not exhibit space isomerism due to:
13.
Intramolecular hydrogen bond is present in
14.
The electron affinity for inert gases is likely to be:
15.
Which of the following characteristics regarding halogens is not correct?
17.
One would expect the elemental form of Cs at room temperature to be:
18.
Chlorine atom tends to acquire the structure of:
19.
Shape of molecules is decided by:
21.
C − Cl bond is stronger than C – I bond, because
22.
The shape of carbon dioxide is
23.
Unusually high boiling point of water is result of
24.
Molecular orbital theory was given by
25.
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?
26.
The number of S – S bonds in sulphur trioxide is
27.
The bond between two identical non-metal atoms has a pair of electrons:
