JEE Main & Advanced JEE Main Solved Paper-2016

  • question_answer
    The reaction of zinc with dilute and concentrated nitric acid, respectively produces : [JEE Main Solved Paper-2016 ]

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

    B)  \[{{N}_{2}}O\]and \[N{{O}_{2}}\]

    C) \[N{{O}_{2}}\]and NO                   

    D) NO and \[{{N}_{2}}O\]

    Correct Answer: B

    Solution :

                    \[Zn+4HN{{O}_{3}}\xrightarrow[{}]{{}}Zn{{(N{{O}_{3}})}_{2}}+2N{{O}_{2}}+2{{H}_{2}}O\] (conc.) \[4Zn+10HN{{O}_{3}}\xrightarrow[{}]{{}}4Zn{{(N{{O}_{3}})}_{2}}+N{{O}_{2}}+5{{H}_{2}}O\](dil.)


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