JEE Main & Advanced Chemistry Carboxylic Acids Question Bank Preparation of Carboxylic Acids and Their Derivatives

  • question_answer
    Product formed by heating a mixture of ammonium chloride and potassium cyanate is

    A)                 \[{{N}_{2}}O\]  

    B)                 \[N{{H}_{3}}\]

    C)                 \[C{{H}_{3}}N{{H}_{2}}\]              

    D)                 \[{{H}_{2}}NCON{{H}_{2}}\]

    Correct Answer: D

    Solution :

                    \[\underset{\begin{smallmatrix}  \text{Ammonium} \\  \text{chloride} \end{smallmatrix}}{\mathop{2N{{H}_{4}}Cl}}\,+\underset{\begin{smallmatrix}  \text{Potassium} \\  \text{Cyanate} \end{smallmatrix}}{\mathop{KCNO}}\,\to \underset{\text{Urea}}{\mathop{N{{H}_{2}}-CO-N{{H}_{2}}}}\,+KCl\]


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