The correct structures of trans-[NiBr₂(PPh₃)₂] and meridonial-[Co(NH₃)₃(NO₂)₃], respectively, are

A certain orbital has no angular nodes and two radial nodes. The orbital is :

Considering the above chemical reaction, identify the product "X" :

Match List - I with List - II

	List - I (process)		List - II (catalyst)
(a)	Deacron's process	(i)	ZSM-5
(b)	Contact process	(ii)	$$CuC{l_2}$$
(c)	Cracking of hydrocarbons	(iii)	Particles 'Ni'
(d)	Hydrogenation of vegetable oils	(iv)	$${V_2}{O_5}$$

Choose the most appropriate answer from the options given below :