Author Topic: Melting and boiling points of salts  (Read 887 times)

Offline mr_scholes

  • Newbie
  • *
  • Posts: 41
  • Reputation: -1
Melting and boiling points of salts
« on: June 11, 2009, 05:54:26 am »
I don't really get the idea of boiling and melting point, and which salts have high b+m points and which has low??


Offline forkasha

  • SF Immigrant
  • **
  • Posts: 93
  • Reputation: 163
  • Gender: Female
Re: Melting and boiling points of salts
« Reply #1 on: June 11, 2009, 07:08:17 am »
for ex. water its b.p is 100 if it is higher than that it will be impure and if the m.p which is 0 is lower it is also impure and this idea applies 2 all the other substances ........ ;)

lower m.p & higher b.p
i wish i helped

Offline winnie101

  • SF Immigrant
  • **
  • Posts: 122
  • Reputation: 1390
Re: Melting and boiling points of salts
« Reply #2 on: June 11, 2009, 07:20:45 am »
u should also know that as u go down group 1, the mp,bp decreases
ionic compounds have high mp, bp

Offline mayyoya92

  • SF Immigrant
  • **
  • Posts: 74
  • Reputation: 58
Re: Melting and boiling points of salts
« Reply #3 on: June 11, 2009, 07:48:42 am »
hey please explain to me how a gas which liquifies first has the highest boiling point????