The value of the H-C-H bond angle in a methane molecule is –
(a) 109°28′
(b) 108°29′
(c) 100°
(d) 180°
WBBSE
Class X
Physical Science
Organic Chemistry
01 Mark
2026
(a) 109°28′
Explanation:
Methane (CH4) has a tetrahedral structure with four identical single bonds around the central carbon atom. In a regular tetrahedron, the bond angle between any two bonds is 109°28′ (or about 109.5°).
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