Polyatomics-Solubility

Polyatomics-Solubility - one 1 two 2’s three 3’s four...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Common Polyatomic Ions and Solubility Rules Chem 1A – Fassler Cation: NH 4 + ammonium Anions: CH 3 CO 2 acetate NO 2 nitrite CN cyanide NO 3 nitrate OH hydroxide O 2 2– peroxide SO 3 2– sulfite CO 3 2– carbonate SO 4 2– sulfate HCO 3 hydrogen carbonate HSO 4 hydrogen sulfate (bicarbonate) (bisulfate) PO 4 3– phosphate ClO hypochlorite HPO 4 2– hydrogen phosphate ClO 2 chlorite H 2 PO 4 dihydrogen phosphate ClO 3 chlorate (compare to nitrate) ClO 4 perchlorate MnO 4 permanganate (deep purple) CrO 4 2– chromate (compare to sulfate) Cr 2 O 7 2– dichromate (bright yellow) Polyatomic Mnemonic: NO COla or SOda POp…
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: one 1 two 2’s three 3’s four 4’s (two extras) NO 3 –1 CO 3 2– SO 4 2– PO 4 3– Solubility Rules Always soluble (no exceptions): Salts containing Li + , Na + , K + , NH 4 + , CH 3 CO 2 – or NO 3 – Usually soluble: Cl – , Br – , I – salts, except insoluble with Ag + , Pb 2+ or Hg 2 2+ SO 4 2– salts, except insoluble with Ag + , Pb 2+ , Hg 2 2+ , Ca 2+ , Sr 2+ or Ba 2+ Usually insoluble (still soluble with Li + , Na + , K + or NH 4 + ): CO 3 2– and PO 4 3– salts S 2– and OH – , salts, except soluble with Ca 2+ , Sr 2+ or Ba 2+...
View Full Document

This note was uploaded on 12/21/2010 for the course CHEM 1A taught by Professor Josephd.fassler during the Fall '10 term at Santa Rosa.

Ask a homework question - tutors are online