JEE Main & Advanced Chemistry The s-Block Elements Question Bank Critical Thinking

  • question_answer Calcium cyanide on treatment with steam under pressure gives \[N{{H}_{3}}\] and [DPMT 2002]

    A) \[CaHC{{O}_{3}}\]

    B) \[CaO\]

    C) \[Ca{{(OH)}_{2}}\]

    D) \[CaC{{O}_{3}}\]

    Correct Answer: D

    Solution :

    \[CaC{{N}_{2}}+3{{H}_{2}}O\underset{\text{pressure}}{\mathop{\xrightarrow{\text{under}}}}\,CaC{{O}_{3}}+2N{{H}_{3}}\].

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