No. of questions - 27
Time - 15 min
1.
The bond between two identical non-metal atoms has a pair of electrons:
2.
Which of the following shows minimum melting point?
3.
Silicon has 4 electrons in the outermost orbit. In forming the bond:
4.
Which of the following atoms has minimum covalent radius?
5.
Which of the following pairs will from the most stable ionic bond?
7.
Shape of molecules is decided by:
8.
The number of sigma and pi bonds in peroxodisulphuric acid are respectively
9.
The bond between atoms of two elements of atomic number 37 and 53 is:
10.
The electron affinity for inert gases is likely to be:
11.
Molecular orbital theory was given by
12.
The low density of ice compared to water is due to
13.
Intramolecular hydrogen bond is present in
14.
One would expect the elemental form of Cs at room temperature to be:
15.
Chlorine atom tends to acquire the structure of:
16.
An electrovalent compound does not exhibit space isomerism due to:
17.
Electron deficient species are known as:
18.
According to VSEPR theory the repulsion between different pair (lone or bond) of electrons obey the order
19.
C − Cl bond is stronger than C – I bond, because
20.
The shape of carbon dioxide is
21.
Which of the following is false?
22.
The number of S – S bonds in sulphur trioxide is
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?
25.
Unusually high boiling point of water is result of
26.
What is the effect of more electronegative atom on the strength of ionic bond?
27.
Which of the following characteristics regarding halogens is not correct?
