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

  • question_answer
    Among \[K,\ Ca,\ Fe,\]and \[Zn\], the element which can form more than one binary compound with chlorine is  [CBSE PMT 2004]

    A) K

    B) Ca

    C) Fe

    D) Zn

    Correct Answer: C

    Solution :

      A binary compound is one made of two different elements. These can be one of each element such as CuCl or FeO. These can also be several of each element such as \[F{{e}_{2}}{{O}_{3}}\] or \[SnB{{r}_{4}}\]. Metal which have variable oxidation number can form more than one type of binary compound like Fe shows the oxidation state +2 and +3. Hence it forms two type of binary compound e.g., \[FeC{{l}_{2}},FeC{{l}_{3}}\]. 


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