No. of questions - 27
Time - 15 min
1.
The number of sigma and pi bonds in peroxodisulphuric acid are respectively
2.
One would expect the elemental form of Cs at room temperature to be:
4.
The electron affinity for inert gases is likely to be:
5.
What is the effect of more electronegative atom on the strength of ionic bond?
6.
Molecular orbital theory was given by
7.
The bond between two identical non-metal atoms has a pair of electrons:
8.
Which of the following atoms has minimum covalent radius?
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.
Unusually high boiling point of water is result of
11.
C − Cl bond is stronger than C – I bond, because
12.
According to VSEPR theory the repulsion between different pair (lone or bond) of electrons obey the order
13.
Electron deficient species are known as:
14.
An electrovalent compound does not exhibit space isomerism due to:
15.
The bond between atoms of two elements of atomic number 37 and 53 is:
17.
Which of the following is false?
18.
The number of S – S bonds in sulphur trioxide is
19.
The shape of carbon dioxide is
20.
Intramolecular hydrogen bond is present in
21.
The low density of ice compared to water is due to
22.
Shape of molecules is decided by:
23.
Which of the following shows minimum melting point?
24.
Silicon has 4 electrons in the outermost orbit. In forming the bond:
25.
Which of the following pairs will from the most stable ionic bond?
26.
Chlorine atom tends to acquire the structure of:
27.
Which of the following characteristics regarding halogens is not correct?
