In $Na_2[Fe(CN)_5NO]$,sodium nitroprusside:

Identify true and false statements:
$(a)$ In the reaction $F_2 + O_2 \to O_2F_2$,oxygen is an oxidising agent.
$(b)$ Among $HClO, HClO_2, HClO_3$ and $HClO_4$,$HClO_2$ is the strongest acid.
$(c)$ Oxidation state of Nickel in $[Ni(CO)_4]$ is zero.
$(d)$ The reaction $BaO_2 + H_2SO_4 \to BaSO_4 + H_2O_2$ is a redox reaction.
The correct order of truth values is:

The $IUPAC$ name for $K_2[Cr(CN)_2O_2(O_2)NH_3]$ is

$IUPAC$ name of $H_2[PtCl_6]$ is

The $IUPAC$ name of $[Ni(NH_3)_4][NiCl_4]$ is .....

$IUPAC$ name of the complex $Ba[CuCl_4]$ is