NEET Chemistry Redox Reactions / रेडॉक्स अभिक्रियाएँ Question Bank Self Evaluation Test - Redox Reactions

  • question_answer
    Standard electrode potentials of redox couples \[{{A}^{2+}}/A,{{B}^{2+}}/B,{{C}^{2+}}/C\] and \[{{D}^{2+}}/D\] are \[0.3V,-0.5V,-0.75V\] and 0.9V respectively. Which of these is best oxidising agent and reducing agent respectively?  

    A) \[{{D}^{2+}}/D\] and \[{{B}^{2+}}/B\]        

    B) \[{{B}^{2+}}/B\] and \[{{D}^{2+}}/D\]

    C) \[{{D}^{2+}}/D\] and \[{{C}^{2+}}/C\]        

    D) \[{{C}^{2+}}/C\] and \[{{D}^{2+}}/D\]

    Correct Answer: C

    Solution :

    [c] The redox couple with maximum reduction potential will be best oxidising agent and with minimum reduction potential will be best reducing agent.


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