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AIIMS 2003
Exam
AIIMS
Year
2003
Subject
Chemistry
Chapter
Chemical Bonding and Molecular Structure

AIIMS 2003 · Chemistry · Chemical Bonding and Molecular Structure

The ion which is not tetrahedral in shape is

The ion which is not tetrahedral in shape isThe ion which is not tetrahedral in shape isThe ion which is not tetrahedral in shape is

Options

  1. ABF4−\mathrm{BF}_4^{-}
  2. BNH4+\mathrm{NH}_4^{+}
  3. CCu(NH3)42+\mathrm{Cu}\left(\mathrm{NH}_3\right)_4{ }^{2+}
  4. DNiCl42−\mathrm{NiCl}_4^{2-}.

Correct answer

C. Cu(NH3)42+\mathrm{Cu}\left(\mathrm{NH}_3\right)_4{ }^{2+}

Step-by-step solution

\begin{array}{ll}& :\left[\mathrm{Cu}\left(\mathrm{NH}}_{3}\right)_4\right]^{2+} \\ \mathrm{Cu}^{2+} \rightarrow3 d^9 4 s^0 \end{array}The ion which is not tetrahedral in shape is\\\text{ One electron is shifted from }3d3 d\text{ to }4p4 p\text{ orbital. }$
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