No. of questions - 27
Time - 15 min
1.
The bond between two identical non-metal atoms has a pair of electrons:
4.
The number of sigma and pi bonds in peroxodisulphuric acid are respectively
5.
Silicon has 4 electrons in the outermost orbit. In forming the bond:
6.
Shape of molecules is decided by:
7.
C − Cl bond is stronger than C – I bond, because
8.
Which of the following is false?
9.
Which of the following atoms has minimum covalent radius?
10.
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?
11.
The low density of ice compared to water is due to
12.
Chlorine atom tends to acquire the structure of:
13.
The shape of carbon dioxide is
14.
Molecular orbital theory was given by
15.
The electron affinity for inert gases is likely to be:
16.
Which of the following pairs will from the most stable ionic bond?
17.
An electrovalent compound does not exhibit space isomerism due to:
18.
One would expect the elemental form of Cs at room temperature to be:
19.
Intramolecular hydrogen bond is present in
20.
According to VSEPR theory the repulsion between different pair (lone or bond) of electrons obey the order
21.
The number of S – S bonds in sulphur trioxide is
22.
The bond between atoms of two elements of atomic number 37 and 53 is:
23.
What is the effect of more electronegative atom on the strength of ionic bond?
24.
Unusually high boiling point of water is result of
25.
Which of the following characteristics regarding halogens is not correct?
26.
Which of the following shows minimum melting point?
27.
Electron deficient species are known as:
