s-Block ElementsHard
Question
Which one of the following electrolyte is used in Down′s process of extracting sodium metal ?
Options
A.NaCl + CaCl2 + KF
B.NaCl
C.NaOH + KCl + KF
D.NaCl + NaOH
Solution
Down′s process involves the electrolysis of fused sodium chloride containing CaCl2 & KF using Fe as cathode & graphite as anode at about 600oC. CaCl2 & KF are added to decrease fusion temperature (1600oC).
Create a free account to view solution
View Solution FreeMore s-Block Elements Questions
If NaOH is added to an aqueous solution of Al3+ ions, a white precipitate appears and on adding excess of NaOH, the prec...Alkali metals possess metallic lustre when freshly cut because :...Plaster of Paris is :...Among LiCl, RbCl, BeCl2, MgCl2 the compounds with greatest and least ionic character respectively are :...Property(ies) of all the alkali metals that increase(s) with their atomic number is (are) :...