April 29, 2024, 07:35:54 AM
Forum Rules: Read This Before Posting


Topic: Qualitative analysis question  (Read 5210 times)

0 Members and 1 Guest are viewing this topic.

Offline rtkt01

  • Regular Member
  • ***
  • Posts: 20
  • Mole Snacks: +1/-0
Qualitative analysis question
« on: April 17, 2009, 01:57:31 AM »
 How could I distinguish
 
 BaCl2 from AgCl?
 HNO3 from HCl?

 

Offline UG

  • Full Member
  • ****
  • Posts: 822
  • Mole Snacks: +134/-15
  • Gender: Male
Re: Qualitative analysis question
« Reply #1 on: April 17, 2009, 02:06:07 AM »
BaCl2 from AgCl?

React with a hydroxide, silver oxide forms (silver hydroxide is unstable) which is a brown solid.
Barium hydroxide is soluble.

HNO3 from HCl?
React with silver sulphate, silver chloride forms as an insoluble white solid.

Offline AWK

  • Retired Staff
  • Sr. Member
  • *
  • Posts: 7979
  • Mole Snacks: +555/-93
  • Gender: Male
Re: Qualitative analysis question
« Reply #2 on: April 17, 2009, 07:09:30 AM »
React with a hydroxide, silver oxide forms (silver hydroxide is unstable) which is a brown solid.
Did you try this reaction with AgCl?
AWK

Offline UG

  • Full Member
  • ****
  • Posts: 822
  • Mole Snacks: +134/-15
  • Gender: Male
Re: Qualitative analysis question
« Reply #3 on: April 17, 2009, 08:00:28 AM »
Me?  :-X
Why? What will happen?  :-\

Offline aldoxime_amine

  • Full Member
  • ****
  • Posts: 191
  • Mole Snacks: +7/-4
Re: Qualitative analysis question
« Reply #4 on: April 17, 2009, 03:45:30 PM »
1. Use sodium thiosulphate
2. Any Gp1 cation

Sponsored Links