10 JEE Main 2019 Chemical Bonding and Molecular Structure previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2019 previous-year questions from the Chemical Bonding and Molecular Structure chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Chemical Bonding and Molecular Structure chapter hub.
Among the following species, the diamagnetic molecule is:
Among the following, the molecule expected to be stabilized by anion formation is: C 2 ,   O 2 ,   N O , …
In which of the following processes, the bond order has increased and paramagnetic character has changed to diamagnetic?
The type of hybridization and no. of lone pair(s) of electron of X e in X e O F 4 , respectively, are:
Two pi and half sigma bonds are present in:
The element that shows greater ability to form pπ - pπ multiple bonds is:
Among the following molecules/ ions, C 2 2 - ,   N 2 2 - , O 2 2 - ,   O 2 Which one is diamagnetic and has t…
The correct statement among the following is:
According to molecular orbital theory, which of the following is true with respect to Li 2 + and Li 2 - ?
During the change of O 2 to O 2 - , the incoming electron goes to the orbital: