JEE Main & Advanced Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank Self Evaluation Test - The p-Block Elements (Group 13 and Group 14)

  • question_answer
    To a piece of charcoal, sulphuric acid is added. Then:

    A) there is no reaction

    B) water gas is formed

    C) \[S{{O}_{2}}\] and \[C{{O}_{2}}\] are evolved

    D) CO and \[S{{O}_{2}}\] are evolved

    Correct Answer: C

    Solution :

    [c] Charcoal is a pure form of carbon, its reaction with hot cone. \[{{H}_{2}}S{{O}_{4}}\] is as follows: \[C+2{{H}_{2}}S{{O}_{4}}\xrightarrow{{}}2{{H}_{2}}O+2S{{O}_{2}}+C{{O}_{2}}\]


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