JEE Main & Advanced Chemistry The s-Block Elements Question Bank Alkali Metals

  • question_answer
    A substance X  is a compound of an element of group IA the substance X gives a violet colour in flame test, X is [MP PMT 1980, 85, 86; CPMT 1985; DCE 2000]

    A) \[LiCl\]

    B) \[NaCl\]

    C) \[KCl\]

    D) None

    Correct Answer: C

    Solution :

    Potassium react with halogens (chlorine) to gives violet colour flame.

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