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JEE Main & Advanced Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank Nitrogen Family

  • question_answer
    In compounds of type \[EC{{l}_{3}}\], where \[E=B,\] P, As or \[Bi\], the angles \[Cl-E-Cl\] for different E are in the order [IIT-JEE 1999]

    A) \[B>P=As=Bi\]

    B) \[B>P>As>Bi\]

    C) \[B<P=As=Bi\]

    D) \[B<P<As<Bi\]

    Correct Answer: B

    Solution :

    \[4NaCl+{{K}_{2}}C{{r}_{2}}{{O}_{7}}+3{{H}_{2}}S{{O}_{4}}\,\to \,\,\] As we go down the group bond angle decreases because repulsion between bonded pairs of electron decreases.


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