1.

(i) Identify the compound of calcium which is yellowish powder and is used for disinfecting drinking water. Wtite its chemical name and formule. How is it manufactured ? Write the chemical equation for the reaction incolved. Also list two other used of the compound. (ii) Write the balanced chemical equation of chlor-alkali process.

Answer»

Solution :(i) The YELLOWISH white SOLID is known as BLEACHING powder. Chemically, it is known as calcium oxychloride or calcium hypochlorite. Its chemical formula is `CaCOCl_(2).` For its manufacture and uses, consult section `2.15.`
(ii) Chemical equation for chlor-alkali process.
`2NaCl+2H_(2)Ounderset("Current")overset("ELECTRIC")to2NaOH+H_(2)+Cl_(2)`


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