Finkelstein reaction -

In Finkelstein's reactionthe nucleophile used is

Write short notes on the following: (a) Finkelstein réaction (b) Markovnikov's rule (c) Hunsdiecker reaction

Explain the following reaction reaction : Schiemann reaction.

Explain the following reaction reaction : Sandmeyer's reaction.

Combination reaction and Decomposition reaction :

Displacement reactions, Combination reactions, Decomposition reactions,Double displacement reactions