No. of questions - 27
Time - 15 min
1.
One would expect the elemental form of Cs at room temperature to be:
2.
The electron affinity for inert gases is likely to be:
3.
Which of the following pairs will from the most stable ionic bond?
4.
Which of the following characteristics regarding halogens is not correct?
5.
Which of the following is false?
6.
Molecular orbital theory was given by
7.
The number of S – S bonds in sulphur trioxide is
8.
The number of sigma and pi bonds in peroxodisulphuric acid are respectively
9.
Which of the following shows minimum melting point?
10.
Intramolecular hydrogen bond is present in
12.
The low density of ice compared to water is due to
13.
Shape of molecules is decided by:
14.
Which of the following atoms has minimum covalent radius?
15.
What is the effect of more electronegative atom on the strength of ionic bond?
16.
The bond between two identical non-metal atoms has a pair of electrons:
17.
C − Cl bond is stronger than C – I bond, because
18.
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?
19.
The shape of carbon dioxide is
20.
Electron deficient species are known as:
21.
The bond between atoms of two elements of atomic number 37 and 53 is:
22.
According to VSEPR theory the repulsion between different pair (lone or bond) of electrons obey the order
23.
Chlorine atom tends to acquire the structure of:
24.
An electrovalent compound does not exhibit space isomerism due to:
25.
Silicon has 4 electrons in the outermost orbit. In forming the bond:
26.
Unusually high boiling point of water is result of
