2. Sample Papers
  3. NEET

NEET Sample Paper NEET Sample Test Paper-77

  • question_answer
                                                                  When copper metal is dipped in a solution of \[HN{{O}_{3}}\], it produces copper nitrate and some gaseous molecule, the change in oxidation number of nitrogen is

    A)  +2                              

    B)  +1                 

    C)  +4                              

    D)  0

    Correct Answer: B

    Solution :

    Chemical reaction occur in above reaction is Charge in oxidation number \[=\,\,\,5-4=1\]


You need to login to perform this action.
You will be redirected in 3 sec spinner