JEE Main & Advanced Chemistry The s-Block Elements / s-ब्लॉक के तत्व Question Bank Alkali Metals

  • question_answer
    In which of the following processes, fused sodium hydroxide is electrolysed at a \[{{330}^{o}}C\]temperature for extraction of sodium [CBSE PMT 2000; AFMC 2001]

    A) Castner's process

    B) Down's process

    C) Cyanide process

    D) Both b and c

    Correct Answer: A

    Solution :

    Castner's process used to obtain \[Na\], by electrolysis of sodium hydroxide.

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