MCQ
Generally pi bond is formed from the lateral overlap of:
- As−s orbitals
- Bp−p orbitals
- Cd−d orbitals
- DBoth B and C
Explanation:
$\pi$ bond is formed by lateral (side ways) overlap of either p−p, d−d or d−p orbitals.
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Statement $-$ Shape $-$ Example
$A.$ Surface tension is the outcome of equal attractive and repulsion forces acting on the liquid molecule in bulk.
$B.$ Surface tension is due to uneven forces acting on the molecules present on the surface.
$C.$ The molecule in the bulk can never come to the liquid surface.
$D.$ The molecules on the surface are responsible for vapour pressure if the system is a closed system.