In which of the following ionization processes the bond energy increases and the magnetic behaviour changes from paramagnetic to diamagnetic?

In allene (C₃H₄), the type(s) of hybridisation of the carbon atoms is/are

The structure of IF₇ is

The number of electrons in the valence shell of the central atom of a molecule is 8. The molecule is

The sp³d² hybridization of central atom of a molecule would lead to

The number of types of bonds between two carbon atoms in calcium carbide is

Which of the following has maximum number of lone pairs associated with Xe?

Peroxide ion ______ .
a) is diamagnetic.
b) has five completely filled antibonding molecular orbitals.
c) is isoelectronic with neon.
d) has bond order one.
Which one of these is correct?

Which of the following is a favorable factor for cation formation?

The maximum number of hydrogen bonds that a molecule of water can have is