2. Sample Papers
  3. JEE Main & Advanced

JEE Main & Advanced Sample Paper JEE Main - Mock Test - 19

  • question_answer
    Among the following, the number of underlined elements having +6 oxidation state is___. \[\underline{P}O_{4}^{3-},{{H}_{2}}{{\underline{S}}_{2}}{{O}_{8}},{{H}_{2}}\underline{S}{{O}_{5}},\underline{O}{{F}_{2}},{{\underline{Cr}}_{2}}O_{7}^{2-},\underline{Cr}{{O}_{5}}\]

    Answer:

    4


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