Product 'A' of following sequence of reactions is

Match List-I with List-II.

	List-I		List-II
(A)		I.	$$B{r_2}$$ in $$C{S_2}$$
(B)		II.	$$N{a_2}C{r_2}{O_7}/{H_2}S{O_4}$$
(C)		III.	$$Zn$$
(D)		IV.	$$CHC{l_3}/NaOH$$

Choose the correct answer from the options given below :

Decarboxylation of all six possible forms of diaminobenzoic acids C₆H₃(NH₂)₂COOH yields three products A, B and C. Three acids give a product 'A', two acids gives a product 'B' and one acid give a product 'C'. The melting point of product 'C' is

Which is true about Buna-N?