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NEET Chemistry Analytical Chemistry Question Bank Self Evaluation Test - Analytical Chemistry

  • question_answer
    In Kjeldahl's method, \[CuS{{O}_{4}}\] acts as

    A) oxidising agent  

    B) reducing agent

    C) hydrolysing agent           

    D) catalytic agent

    Correct Answer: D

    Solution :

    [d] Kjeldahl's method depends upon the fact that most of the organic compounds containing nitrogen are quantitatively decomposed to give \[{{(N{{H}_{4}})}_{2}}S{{O}_{4}}\] when heated strongly with conc.\[{{H}_{2}}S{{O}_{4}}\]. In this method \[CuS{{O}_{4}}\] acts as catalytic agent.


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