JEE Main & Advanced Chemistry The s-Block Elements Question Bank Critical Thinking

  • question_answer Match List I with List II and select the correct answer using the codes given below the lists List I List II
    List - I List - II
    (A) Peroxide (1) \[{{C}_{3}}{{O}_{2}}\]
    (B) Superoxide (2) \[Pb{{O}_{2}}\]
    (C) Dioxide (3) \[K{{O}_{2}}\]
    (D) Suboxide (4) \[{{H}_{2}}{{O}_{2}}\]
    Codes: [NDA 1999]

    A) A-4        B-3      C-2      D-1

    B) A-3        B-2      C-1      D-4

    C) A-4        B-2      C-3      D-1

    D) A-4        B-1      C-2      D-3

    Correct Answer: A

    Solution :

    (A) Peroxide is \[{{H}_{2}}{{O}_{2}}(4)\]; B) Super oxide is \[K{{O}_{2}}(3)\] C) Dioxide is \[Pb{{O}_{2}}(2)\];  D) Suboxide is \[{{C}_{3}}{{O}_{2}}(1)\]

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