HARDMCQ SINGLENEET ChemistryInorganic Chemistrys- Block 3.0Achiever Section
A chemical (A) is used for the preparation of washing soda to recover ammonia. When CO2 is bubbled through an aqueous solution of A, the solution turns milky. It is used white washing due to disinfectant nature. What is the chemical formula of (A)?
A.Ca(HCO3)2
B.CaO
C.Ca(OH)2✓ Correct
D.CaCO3
Explanation
2 3 2 Ca OH CO CaCO milky white -> 4 3 2 2 2 Ca OH 2NH Cl 2NH CaCl 2H O Rcovered A -> Ca(OH)2 is used in white washing of wall and building due to disinfectant nature.
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