No. of questions - 27
Time - 15 min
1.
An electrovalent compound does not exhibit space isomerism due to:
2.
The number of sigma and pi bonds in peroxodisulphuric acid are respectively
4.
Unusually high boiling point of water is result of
5.
Electron deficient species are known as:
6.
Shape of molecules is decided by:
7.
According to VSEPR theory the repulsion between different pair (lone or bond) of electrons obey the order
8.
Which of the following characteristics regarding halogens is not correct?
9.
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?
10.
Silicon has 4 electrons in the outermost orbit. In forming the bond:
11.
The bond between atoms of two elements of atomic number 37 and 53 is:
12.
C − Cl bond is stronger than C – I bond, because
13.
Which of the following pairs will from the most stable ionic bond?
14.
The electron affinity for inert gases is likely to be:
15.
Which of the following atoms has minimum covalent radius?
16.
What is the effect of more electronegative atom on the strength of ionic bond?
17.
Intramolecular hydrogen bond is present in
18.
Which of the following shows minimum melting point?
19.
Chlorine atom tends to acquire the structure of:
21.
Molecular orbital theory was given by
22.
Which of the following is false?
23.
The number of S – S bonds in sulphur trioxide is
24.
One would expect the elemental form of Cs at room temperature to be:
25.
The shape of carbon dioxide is
26.
The low density of ice compared to water is due to
27.
The bond between two identical non-metal atoms has a pair of electrons: