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NEET Chemistry NEET PYQ-Electrochemistry

  • question_answer
    Without losing its concentration \[ZnC{{l}_{2}}\] solution cannot be kept in contact with:  [AIPMT 1998]

    A) Au

    B) Al

    C) Pb

    D) Ag

    Correct Answer: B

    Solution :

    [b] In electrochemical series Al is placed above Zn and all others are present below Zn. So, aluminium displaces zinc from \[ZnC{{l}_{2}}\] solution. Hence, it cannot keep in contact with Al                          \[2Al+3ZnC{{l}_{2}}\xrightarrow[{}]{{}}2AlC{{l}_{3}}+3Zn\]


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