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