Match the column I (process) with column II( electrolyte)

Column–I
Column–II
I. Down's cell (W) Fused `MgCl_2`
II. Dow sea water process (X) Fused `Al_2O_3+Na_3AlF_6`
III. Hall-Herboutlts (Y) Fused `KHF_2`
IV. Moissan (Z) Fused 40% NaCl + 60%
`CaCl_2`

I II III IV
(a) Z W X Y
(b) X Y Z W
(c) W Z X Y
(d) X Z W Y

Match the column I (process) with column II( electrolyte)

(a)

(b)

(c)

(d)

Match the column I (process) with column II( electrolyte)Column–IColumn–III.Down's cell(W)Fused `MgCl_2`II.Dow sea water process(X)Fused `Al_2O_3+Na_3AlF_6`III.Hall-Herboutlts(Y)Fused `KHF_2`IV.Moissan(Z)Fused 40% NaCl + 60%`CaCl_2`IIIIIIIV(a)ZWXY(b)XYZW(c)WZXY(d)XZWY