Q. Which one of the following compounds has the smallest bond angle in its molecule ?
AIEEEAIEEE 2003Chemical Bonding and Molecular Structure
Solution:
Molecule
Hybridi-sation
Repulsion
Bond angle
$SO_{2}$
$sp^{2}$
$lp-bp, bp-bp$
$119^{\circ}$
$OH_{2}$
$sp^{3}$
$lp-lp, bp-lp-bp-bp$
$104.5^{\circ}$
$SH_{2}$
$sp^{3}$
$-do-$
$90^{\circ}$
$NH_{3}$
$sp^{3}$
$lp-bp, bp, -bp$
$107^{\circ}$
| Molecule | Hybridi-sation | Repulsion | Bond angle |
|---|---|---|---|
| $SO_{2}$ | $sp^{2}$ | $lp-bp, bp-bp$ | $119^{\circ}$ |
| $OH_{2}$ | $sp^{3}$ | $lp-lp, bp-lp-bp-bp$ | $104.5^{\circ}$ |
| $SH_{2}$ | $sp^{3}$ | $-do-$ | $90^{\circ}$ |
| $NH_{3}$ | $sp^{3}$ | $lp-bp, bp, -bp$ | $107^{\circ}$ |