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NTA Abhyas 2020
Exam
NTA Abhyas
Year
2020
Subject
Chemistry
Chapter
s Block Elements

NTA Abhyas 2020 · Chemistry · s Block Elements

A compound (A) is used in preparation of washing soda to recover...

A compound (A)\left(A\right) is used in preparation of washing soda to recover ammonia in Solvay's process. When CO2C{O}_{2} is bubbled through an aqueous solution of (A)\left(A\right) , the solution turns milky. It is used in white washing due to disinfectant nature. What is the chemical formula of A?A compound (A) is used in preparation of washing soda to recover ammonia in Solvay's process. When C O _ 2 is bubbled

Options

  1. ACa(HCO3)2Ca ( HC{O}_{3}{)}_{2}
  2. BCaOCaO
  3. CCa(OH)2Ca ( OH{)}_{2}
  4. DCaCO3CaC{O}_{3}

Correct answer

C. Ca(OH)2Ca ( OH{)}_{2}

Step-by-step solution

Here Compound A is calcium hydroxide and the milky solution is of calcium carbonate.
A compound (A) is used in preparation of washing soda to recover ammonia in Solvay's process. When C O _ 2 is bubbled
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