By which reaction is Freon-$12$ $(CCl_2F_2)$ prepared from $CCl_4$?

The major product in the following reaction sequence is:

Match the following reactions in List-$I$ with the products obtained in List-$II$:

List-$I$	List-$II$
$(A)$ Sandmeyer reaction	$(I)$ $R-I$
$(B)$ Finkelstein reaction	$(II)$ $R-F$
$(C)$ Swarts reaction	$(III)$ $Ar-Br$
	$(IV)$ $R-Br$

Identify the name of the reaction in which alkyl fluorides are prepared by heating alkyl bromide or alkyl chloride with metallic fluorides like $AgF$,$Hg_2F_2$,$CoF_2$,or $SbF_3$.

The product formed by the reaction of $C_2H_5OH$ with thionyl chloride is ...... .

Write about the Finkelstein and Swarts reactions.