The correct order of electronegativity for given elements is:

The correct order of spin only magnetic moments for the following complex ions is

$$2 \mathrm{IO}_{3}^{-}+x \mathrm{I}^{-}+12 \mathrm{H}^{+} \rightarrow 6 \mathrm{I}_{2}+6 \mathrm{H}_{2} \mathrm{O}$$

What is the value of $$x$$ ?

Match List I with List II:

	LIST I (Reagent)		LIST II (Product)
A.		I.
B.	$$\mathrm{HBF_4,\Delta}$$	II.
C.	$$\mathrm{Cu,HCl}$$	III.
D.	$$\mathrm{CuCN/KCN}$$	IV.

Choose the correct answer from the options given below: