Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
The raw material in Solvay process are: (1)\[NaCl\] (2) \[CaC{{O}_{3}}\] (3)\[N{{H}_{4}}Cl\] (4)\[C{{O}_{2}}\]A) 1, 2 and 3 are correct
B) 1 and 2 are correct
C) 2 and 4 are correct
D) 1 and 3 are correct
Correct Answer: A
Solution :
The raw materials in Solvay process are: \[NaCl,CaC{{O}_{3}}\]and\[N{{H}_{4}}Cl\] \[N{{H}_{3}}+{{H}_{2}}O+C{{O}_{2}}\xrightarrow{{}}N{{H}_{4}}HC{{O}_{3}}\] \[2NaHC{{O}_{3}}\xrightarrow{\Delta }N{{a}_{2}}C{{O}_{3}}+{{H}_{2}}O+C{{O}_{2}}\] \[N{{a}_{2}}C{{O}_{3}}\xrightarrow{crystallization}\underset{washing\,soda}{\mathop{N{{a}_{2}}C{{O}_{3}}.10{{H}_{2}}O}}\,\]
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