JEE Main & Advanced Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank Self Evaluation Test - The p-Block Elements (Group 15, 16, 17 & 18)

  • question_answer
    Which of the following on thermal decomposition gives oxygen gas?

    A) \[A{{g}_{2}}O\]          

    B) \[P{{b}_{3}}{{O}_{4}}\]

    C) \[Pb{{O}_{2}}\]                       

    D) All of these

    Correct Answer: D

    Solution :

    [d] \[2A{{g}_{2}}O\left( s \right)\xrightarrow{{}}4Ag\left( s \right)+{{O}_{2}}\left( g \right)\] \[2P{{b}_{3}}{{O}_{4}}(s)\xrightarrow{{}}6PbO(s)+{{O}_{2}}(g)\] \[2Pb{{O}_{2}}(s)\xrightarrow{{}}2PbO(s)+{{O}_{2}}(g)\]


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