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choosing from hydrogen bonding, dipole-dipole forces, or Londondispersion forces

ID: 680620 • Letter: C

Question

choosing from hydrogen bonding, dipole-dipole forces, or Londondispersion forces, answer the intermolecular force that accountsfor the largest difference in the following cases:
(a) The boiling point of chlorine is -34°C but the boilingpoint of iodine is 184°C.
(b) The boiling point of HCl is -85°C but the boiling point ofHF is 20°C.
(c) The boiling point of 1-butanol is 118°C but the boilingpoint of 1-pentanol is 138°C.
(d) The boiling point of propanal is 48°C but the boiling pointof 1-propanol is 97°C.
(e) The boiling point of butanol is 118°C but the boiling pointof diethyl ether is 35°C.

Explanation / Answer

      a) London dispersionforces       b) Hydrogen bonding       c) dipole- dipole forces       d) hydrogen bonding       e) hydrogen bonding