Sn2 reaction is a reaction which is known to be nucleophilic. This reaction occurs step by step and is a type of substitution reaction.
In Sn2 reaction a lone pair from the nucleophile attacks on a place of electron deficiency.
This reaction follows a second order kinetics. It is single step reaction and both bond forming and breaking will occur at the same time.
The chlorocyclohexane is a single bonded hexane structure.
It has Cl on the ortho position.
Cyanide is a triple bonded structure, sharing a triple bond between the C and N. It also has 2 lone pairs and a negative charge on C.
When we react these two compounds then after the Sn2 reaction, we get a new structure called cyno-cyclohexane. In this reaction, the cyanide will attack at ortho place replacing Cl with CN and Cl will be released.
Therefore, in this Sn2 reaction, the new compound formed will be cyno-cyclo-hexane.
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