Which of the following elementary reactions is unimolecular ?

Options

A. `A rarr` Products
B. `2Ararr` Products
C. `A+B+C rarr` Products
D. `A+B rarr` Products

Answer

A

Explanation

The molecularity is the number of molecules on the molecularity. The reactant side of an elementary reaction. A unimolecular reaction is an elementary reaction that involves only one reaction molecule, a bimolecular reaction is an elementary reaction that involves two reactant molecules, etc.
`NH_(4)NO_(2)rarrN_(2)+2H_(2)O`