s-Block ElementsHard
Question
In which of the following process, Black ash (Na2CO3 + CaS) is obtained ?
Options
A.Le-Blanc process
B.Prechts process
C.Hargreaves process
D.Gossage process
Solution
(A) It is used for the manufacture of Na2CO3 from NaCl
NaCl + H2SO4 (conc.)
NaHSO4 + HCl
NaHSO4 + NaCl
Na2SO4 + HCl
Na2SO4 + CaCO3 + 4 C
+ 4CO
NaCl + H2SO4 (conc.)
NaHSO4 + HClNaHSO4 + NaCl
Na2SO4 + HClNa2SO4 + CaCO3 + 4 C
+ 4COCreate a free account to view solution
View Solution FreeMore s-Block Elements Questions
Which of the alkaline earth metal halides given below is essentially covalent in nature ?...A metal salt solution forms a yellow precipitate with potassium chromate in acetic acid, a white precipitate with dil H2...Hydrated sodium aluminium silicate, the zeolite, is treated with hard water, the sodium ions are exchanged with :...Which of the following statement is not correct ?...At high temperature, nitrogen combines with CaC2 to give :...