Chemical Bonding (Chapter Test - Medical) - Class 12 MCQ

Which of the following molecule is polar ?

Peroxide ion (O₂^2-)
(i) has five completely filled antibonding molecular orbitals
(ii) is diamagnetic
(iii) has bond order one
(iv) is isoelectronic with neon
Which of these are correct ?

Octet rule is not followed in

The correct order of increasing ionic character is

Which is not correctly matched ?

The bond strength in O₂+,O₂ ,O₂- and O₂ ^2- follows the order

Which pair of substances will have the most similar geometry?

The hybridization of carbon in diamond, graphite and acetylene is

Which among the following formation is not an example of Covalent bond?

Which contains both polar and non-polar covalent bonds ?

A sp^3–hybrid orbital contains

The lattice energy order for lithium halide is

Structure of ICl₂ ^- is

Among the following compounds, the one that is polar and has the centra  atom with sp²-hybridization is

The bond order of individual carbon–carbon bonds in benzene is

The bond between carbon atom (1) and carbon atom (2) in compound,    involves the hybrid orbitals

The formal charge on central oxygen atom in O₃ molecule is