2. Sample Papers
  3. JEE Main & Advanced

JEE Main & Advanced Sample Paper JEE Main Sample Paper-15

  • question_answer
    If NO reacts with \[[Cr{{(CO)}_{6}}]\] how many NO are required to replace maximum number of CO group.

    A)  1                                            

    B)  6

    C)  2                                            

    D)  5

    Correct Answer: A

    Solution :

    \[CO\] is 2 electron donor and \[NO\] is 3electron donor so maximum 6 CO replaced by 4 \[NO\]. \[Cr{{(CO)}_{6}}\]\[6CO\] are present number of \[CO\] molecule \[\times 2=\] number of NO molecule \[\times \,36\times 2=x\times 3\] (\[x=\] number of NO molecule) \[x=4\]


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