MCQ
In which of the following molecular shape $d_{z^2}$ orbital must not be involved in bonding ?
- APentagonal planar
- BTrigonal planar
- CLinear
- DSquare planar
✓
Answer
$(b)$ $(a)$ Pentagonal planar $\to sp^3d^3 [s+p_x +p_y + p_z, + d_{x^2-y^2} + d_{z^2} +d_{xy}]$
$(b)$ Trigonal planar $\to sp^2 [s+$ Any two $p]$
$(c)$ Linear $\to sp^2[s+$ any one $p]$
$\to sp^2[s +$ any two $p]$
$\to sp^3 [s+p_x +p_y + p_z]$
$\to sp^3d[s +p_x + p_y + p_z +d_{z^2}]$
$(b)$ Trigonal planar $\to sp^2 [s+$ Any two $p]$
$(c)$ Linear $\to sp^2[s+$ any one $p]$
$\to sp^2[s +$ any two $p]$
$\to sp^3 [s+p_x +p_y + p_z]$
$\to sp^3d[s +p_x + p_y + p_z +d_{z^2}]$
$(d)$ Square planar $\to sp^3d^2[s+p_x +p_y + p_z +d_{x^2 - y^2} +d_{z^2}]$
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