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

  • question_answer
    The most dangerous method of preparing hydrogen would be by the action of \[HCl\] and [JIPMER 2000]

    A) \[Al\]

    B) \[K\]

    C) \[Fe\]

    D) \[Zn\]

    Correct Answer: B

    Solution :

    \[2K+2HCl\to 2KCl+{{H}_{2}}\] (violent reaction).

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