CET Karnataka Medical CET - Karnataka Medical Solved Paper-2008

  • question_answer
    Hydrogen gas is not liberated when the following metal is added to dil \[HCl\]

    A)  \[Ag\]            

    B)  \[Zn\]

    C)  \[Mg\]            

    D)  \[Sn\]

    Correct Answer: A

    Solution :

    The metals, present below hydrogen in the electrochemical series, cannot liberate hydrogen from the dilute acids. Among the given metals only \[Ag\] is present below hydrogen in electrochemical series, so it does not evolve hydrogen with dil  \[HCl\]. \[Ag+dil\,HCl\xrightarrow{{}}No\,reaction\]


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