2. Sample Papers
  3. JEE Main & Advanced

JEE Main & Advanced Sample Paper JEE Main Sample Paper-1

  • question_answer
    The stability constants of the complexes formed by a metal ion \[({{M}^{2+}})\] with \[N{{H}_{3}},\]\[C{{N}^{-}},{{H}_{2}}O\]and en are of the order \[{{10}^{11}},{{10}^{27}},{{10}^{15}}\]and \[{{10}^{18}}\] respectively. Then

    A)  en is the strongest ligand

    B)  \[\text{C}{{\text{N}}^{-}}\]is the strongest ligand

    C)  these values cannot predict the strength of the ligand

    D)  all ligands are equally strong

    Correct Answer: B

    Solution :

     \[C{{N}^{-}}\]is the strongest ligand as it gives highest value \[{{10}^{27}}\] of the stability constant.


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