`FeS +HCl rarr FeCl_(2)+X`
`X+F_(2)rarr Y+HF`
`X+Cl_(2)rarr Z+HCl`
Oxidation states of central atom in `X`, `Y` and `Z` are respectively.

N_2+H_2rarr[X](g)overset(CO_2,"Pressure")rarr[Y]overset("Heat")rarr[Z]+H_2O In the above sequence of reaction, [Y] and [Z] are respectively.

The charges x and y on the following ions are (i) [Co(NH_(3))_(2) Cl_(4)]^(x) " " (ii) [Fe(CN)_(6)]^(y) (Oxidation state of Co is +3 and Fe is + 2 in their respective complexes.)

Identify x,y,z for the following metallurgical process : metal sulphide overset(x)rarr metal oxide overset(y)rarr impure metal overset(z)rarr pure metal generally x,y and z are respectively:

SiCl_4 overset (H_2O) (rarr) (X) overset (heat) (rarr)(Y) In the above reaction (X) and (Y) respectively are :

NH_3+ F_2(excess) rarr HF +A NH_3+Cl_2(excess) rarr HCl+ B A and B are

C_(2)H_(4) overset(Br_(2))rarr X overset(KCN)rarr Y, Y is

C_(6) H_(5)N2^+Cl^-overset(Cu_(2)Cl_(2)//HCl)(rarr) , this reaction is named as

Cl_(2)(g)+Xbar(O)H rarr YClO_(3)""^(-)+ZH_(2)O+10e^(-) The coefficient X, Y and Z are

SO_(2)(g)+Cl_(2)(g) to X overset(P_(4)) to Y+Z then X, Y and Z can be :

Consider the following reaction x MnO_(4)^(-) + C_(2)O_(4)^(2-) + zH^(+) rarr x Mn^(2+) + 2y CO_(2) + (z)/(2)H_(2)O The value of x, y and z in the reaction are respectively