Question

In one of the industrial processes used for manufacture of sodium hydroxide, a gas X is formed as by product. The gas X reacts with dry slaked lime to give a compound Y which is used as a bleaching agent in chemical industry. Identify X and Y.

Answer 1

✌✌hey here is your answer ✌✌

x is chlorine
y is bleaching powder


hope this helps ☺☺

Answer 2

The gas 'X' and compound  'Y' are identified as Chlorine gas and Bleaching powder respectively.

• The industrial manufacturing of sodium hydroxide uses sodium chloride and water as raw material.
• When sodium chloride reacts with water it yields three products namely Sodium hydroxide, chlorine gas and hydrogen gas as shown in the following chemical equation:

$2NaCl+2H_2O\rightarrow 2NaOH+Cl_2+H_2$

• Among the formed products, two are gases namely chlorine gas and hydrogen gas.
• Compared to hydrogen gas, chlorine is highly reactive with dry slaked lime and leads to the production of a compound called bleaching powder which is used as bleaching agent.
• The reaction involved is as shown:

$Cl_2+Ca(OH)_2\rightarrow CaOCl_2+H_2O$

• Thus 'X' is identified as Chlorine gas, whereas 'Y' is identified as Bleaching powder.

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