JEE Main202312 Apr 2023Morning ShiftChemistrys Block ElementsActual
In the given reaction cycle X , Y and Z respectively are
Options
- AX - CaCO 3 ,   Y - NaCl ,   Z - KCl
- BX - CaCO 3 ,   Y - NaCl ,   Z - HCl
- CX - CaO ,   Y - NaCl + CO 2 ,   Z - NaCl
- DX - CaO ,   Y - NaCl + CO 2 ,   Z - KCl
Correct answer
B. X - CaCO 3 ,   Y - NaCl ,   Z - HCl
Step-by-step solution
When calcium chloride reacts with sodium carbonate, a double replacement reaction takes place. The products of this reaction are calcium carbonate and sodium chloride. CaCl 2 + Na 2 CO 3 → CaCO 3 X + 2 NaCl Y To Obtain Calcium chloride from Calcium carbonate we need to react calcium carbonate with Hydro chloric acid. CaCO 3 X + 2 HCl Z → CaCl 2 + CO 2 g + H 2 O l ∴   ( X )   CaCO 3 ( Y )   NaCl ( Z )   HCl