\[\eqalign{ & [1]\,\,C\,\, + \,\,\,{O_2}\,\xrightarrow{{{t^o}}}\,\,C{O_2} \cr & [2]\,\,2C{O_2}\,\, + \,\,\,Ca{[OH]_2}\,\,\, \to \,\,Ca{[HC{O_3}]_2} \cr & [3]\,Ca{[HC{O_3}]_2}\,\, + \,\,2HCl\,\, \to \,\,CaC{l_2}\,\, + \,\,2C{O_2} \uparrow \,\, + \,\,2{H_2}O \cr & [4]\,\,C\,\, + \,\,C{O_2}\,\,\xrightarrow{{{t^o}}}\,\,\,2CO \cr & [5]\,\,\,2CO\,\, + \,\,\,{O_2}\,\,\xrightarrow{{{t^o}}}\,\,\,2C{O_2} \cr & [6]\,\,C{O_2}\,\, + \,\,\,2NaOH\,\,\, \to \,\,\,N{a_2}C{O_3}\,\, + \,\,{H_2}O \cr & [7]\,\,N{a_2}C{O_3}\,\, + \,\,\,2HCl\,\, \to \,\,\,2NaCl\,\, + \,\,C{O_2} \uparrow \,\, + \,\,{H_2}O \cr} \]
Đề bài
Viết các phương trình hoá học cho dãy chuyển hoá sau :
Lời giải chi tiết
Các phương trình hóa học
\[\eqalign{
& [1]\,\,C\,\, + \,\,\,{O_2}\,\xrightarrow{{{t^o}}}\,\,C{O_2} \cr
& [2]\,\,2C{O_2}\,\, + \,\,\,Ca{[OH]_2}\,\,\, \to \,\,Ca{[HC{O_3}]_2} \cr
& [3]\,Ca{[HC{O_3}]_2}\,\, + \,\,2HCl\,\, \to \,\,CaC{l_2}\,\, + \,\,2C{O_2} \uparrow \,\, + \,\,2{H_2}O \cr
& [4]\,\,C\,\, + \,\,C{O_2}\,\,\xrightarrow{{{t^o}}}\,\,\,2CO \cr
& [5]\,\,\,2CO\,\, + \,\,\,{O_2}\,\,\xrightarrow{{{t^o}}}\,\,\,2C{O_2} \cr
& [6]\,\,C{O_2}\,\, + \,\,\,2NaOH\,\,\, \to \,\,\,N{a_2}C{O_3}\,\, + \,\,{H_2}O \cr
& [7]\,\,N{a_2}C{O_3}\,\, + \,\,\,2HCl\,\, \to \,\,\,2NaCl\,\, + \,\,C{O_2} \uparrow \,\, + \,\,{H_2}O \cr} \]