D And F Block Elements

\(\text { Match List I with List II : }\)

.tg {border-collapse:collapse;border-spacing:0;}

.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;

overflow:hidden;padding:10px 5px;word-break:normal;}

.tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;

font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;}

.tg .tg-c3ow{border-color:inherit;text-align:center;vertical-align:top}

List I (Transition metal/compound/ complex)		List II (Catalytic Role)
A.	\(\mathrm{V}_2 \mathrm{O}_5\)	I.	Preparation of ammonia from $\mathrm{N}_2 / \mathrm{H}_2$ mixture
B.	Fe	II.	Polymerisation of alkynes
C.	$\mathrm{PdCl}_2$	III.	Preparation of $\mathrm{H}_2 \mathrm{SO}_4$ and $\mathrm{SO}_2$
D.	Ni complex	IV.	Oxidation of ethyne to ethanal

Choose the correct answer from the options given below.