assessment id 24934 1&course;_id- 4931 18content id 399103 18step-nul QUESTION 5
ID: 563524 • Letter: A
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assessment id 24934 1&course;_id- 4931 18content id 399103 18step-nul QUESTION 5 1.00000 points What s the explanation for the unusually high boiling points of H20 and HF comparod to hydrides made with other atomes ih the same group? 100 H,O 75 P 50 25 Te -25 -75 -100 Row 1 ow 2Row 3 Row 4 O The electronegativity diference between atloms in the molecule is lowest in the HF and H20, making the bonds less polar A stronger intermolecular force hydrogen bonding" occurs in these molecules -The Hs are closer i, size to O and F than the other elements listed making their molecules more stable The lighter molecules can pack together better, making tham more diffclt to separate 1.00000 points QUESTION Click Save and Submit to save and submit. Ciok Save all Annvers to save all armuers Save All Answers 8 5 6 8 0Explanation / Answer
Intermolecular forces
5.
The unusually high boiling points observed for H2O and HF compared to the hydrides made with other metals in rhe same groups is due to,
A stronger intermolecular force "hydrogen bonding" occurs in these molecules.
The extent of these hydrogen bonding is much greater than the other hydrides and this thus allows them to exist as liquids at room temperature.
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