The degenerate orbitals of  \left [ Cr\left ( H_{2}O \right )_{6} \right ]^{3+} are

  • Option 1)

    d_{xz}\; and\; d_{yz}             

  • Option 2)

     d_{yz}\; and\; d_{z^{2}}

  • Option 3)

    d_{z^{2}}\; and\; d_{xz}

  • Option 4)

    d_{x^{2}}-_{y^{2}} \; and \; d_{xy}

Answers (1)

 

Crystal field splitting in octahedral complex -

e_{g} orbitals are more energetic as compared to t_{2g}

- wherein

 

 

CFSE in octahedral complex -

CFSE =\left [- \frac{2}{5}\left ( No. of\;electron\;in\;t_{2}g \right ) +\frac{3}{5}\left ( No. of\;\acute{e}s\;in\;eg \right ) \right ]\bigtriangleup \circ

 

-

 

 

\left [ Cr\left ( H_{2}O \right )_{6} \right ]^{3+} : degenerate orbitals =?

Which after CFS bliching energy 

divided into 2-set of degenerate orbitals- t_{2}g & eg.

From option given degenerate orbitals are - dxz & dyz.

 


Option 1)

d_{xz}\; and\; d_{yz}             

Option 2)

 d_{yz}\; and\; d_{z^{2}}

Option 3)

d_{z^{2}}\; and\; d_{xz}

Option 4)

d_{x^{2}}-_{y^{2}} \; and \; d_{xy}

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