NEET Sample Paper NEET Sample Test Paper-80

  • question_answer
    A compound \[\operatorname{Co}{{\left( en \right)}_{2}} \cdot {{\left( N{{O}_{2}} \right)}_{2}}Cl\] exists in different isomeric forms (i.e. A, B and C) with the characteristic? properties as given below\[\operatorname{Co}{{\left( en \right)}_{2}} \cdot {{\left( N{{O}_{2}} \right)}_{2}}Cl\]
    Property A B C
    (i) Optical activity × ×
    (ii) Reaction with AgNO3 ×
    (iii) Reaction with en × ×
    The structure of B is

    A)             

    B)  

    C)  

    D)  None of these

    Correct Answer: B

    Solution :

    B is optically inactive, so it is also a trans-isomer. As it reacts with \[AgN{{O}_{3}}\] so Cl-atom is ionisable and is outside the sphere. It does not react with en so the two \[N{{O}_{2}}\] groups are most adjacent.


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