No. of questions - 27
Time - 15 min
1.
Unusually high boiling point of water is result of
2.
Which of the following atoms has minimum covalent radius?
3.
Electron deficient species are known as:
4.
The electron affinity for inert gases is likely to be:
6.
The shape of carbon dioxide is
7.
Intramolecular hydrogen bond is present in
8.
Which of the following pairs will from the most stable ionic bond?
9.
An electrovalent compound does not exhibit space isomerism due to:
10.
The number of S – S bonds in sulphur trioxide is
11.
The low density of ice compared to water is due to
12.
Silicon has 4 electrons in the outermost orbit. In forming the bond:
13.
The bond between atoms of two elements of atomic number 37 and 53 is:
15.
Shape of molecules is decided by:
16.
Which of the following is false?
17.
One would expect the elemental form of Cs at room temperature to be:
18.
What is the effect of more electronegative atom on the strength of ionic bond?
19.
According to VSEPR theory the repulsion between different pair (lone or bond) of electrons obey the order
20.
Which of the following characteristics regarding halogens is not correct?
21.
C − Cl bond is stronger than C – I bond, because
22.
The number of sigma and pi bonds in peroxodisulphuric acid are respectively
23.
The bond between two identical non-metal atoms has a pair of electrons:
24.
Which of the following shows minimum melting point?
25.
Molecular orbital theory was given by
26.
Chlorine atom tends to acquire the structure of:
27.
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?
