No. of questions - 27
Time - 15 min
1.
Electron deficient species are known as:
2.
Which of the following characteristics regarding halogens is not correct?
3.
Which of the following shows minimum melting point?
4.
An electrovalent compound does not exhibit space isomerism due to:
7.
Intramolecular hydrogen bond is present in
8.
The bond between atoms of two elements of atomic number 37 and 53 is:
9.
The electron affinity for inert gases is likely to be:
10.
Chlorine atom tends to acquire the structure of:
11.
According to VSEPR theory the repulsion between different pair (lone or bond) of electrons obey the order
12.
The low density of ice compared to water is due to
13.
Which of the following atoms has minimum covalent radius?
14.
The number of S – S bonds in sulphur trioxide is
15.
One would expect the elemental form of Cs at room temperature to be:
16.
Which of the following is false?
17.
What is the effect of more electronegative atom on the strength of ionic bond?
18.
Which of the following pairs will from the most stable ionic bond?
19.
C − Cl bond is stronger than C – I bond, because
20.
Shape of molecules is decided by:
21.
The bond between two identical non-metal atoms has a pair of electrons:
22.
Molecular orbital theory was given by
23.
Silicon has 4 electrons in the outermost orbit. In forming the bond:
24.
Unusually high boiling point of water is result of
25.
The shape of carbon dioxide is
26.
The number of sigma and pi bonds in peroxodisulphuric acid are respectively
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?
