Formation of caustic soda
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NaOH is the formula
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CAUSTIC SODA -
- Chemical formula - Sodium Hydroxide.
- Chemical Formula - NaOH.
- Preparation - 2NaCl + 2H2O —> 2NaOH + H2 + Cl2.
➸ Sodium hydroxide is produced by electrolysis of concentrated aqueous solution of NaCl.
➸ During this process, Cl2 gas is produced at (+) electrode and hydrogen gas is produced at (-) electrode.
➸ NaOH is formed near cathode.
➸ This process is called chlor alkaline process.
➸ The process of electrolysis of NaCl solution is called chlor alkali process because of the products formed that is chlor for chlorine and alkaline for NaOH.
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