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A picometer pm is equal to 1 multiplied by 10 to the negative 12 power m. OH bond lengths in water are 95.8 pm while S-H bond lengths in dihydrogen sulfide are 135 pm. Why are S-H bond lengths longer?
Wiki User
∙ 15y ago
A picometer (pm) is equal to 1 x 10^-12 m. The O-H bond lengths in water are 95.8 pm,while S-H bond lengths in dihydrogen sulfide are 135 pm. Why are S-H bonds longer than O-H bonds?
Is it because Sulfurs mass is greater than Oxygens mass?
Please correct me if I'm wrong.
Oxygen = 15.99
Sulfur = 32.06
Badr and Zain the be...
Wiki User
∙ 15y agoSulfur is greater than oxygen because the atomic number of sulfur is 16 and oxygen is 8 so sulfur has a greater atomic radius than oxygen. Sulfur has three electron layers but oxygen only has two electron layers. One electron layer expands the atomic radius a lot and causes the last electron to stick closer to the nucleus. Another important reason for this is tha oxygen atom is more electronegative than sulfur that is it attracts more the boding electrons so the bond length in OH is longer than that in SH
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