70, Ytterbium (Yb)

Grube Ytterby (Schweden)

Säure-Base-Verhalten:

         
   
  Tm Yb Lu  
  Md No Lr  
         
   
 
   
   
   
   
   

Säure/Base-Verhalten der Ytterbium-Oxide:

  Reaktionen mit:
HF
100%
H2SO4
conc.
HCl
20%
CH3COOH
25%
H2O NH3
25%
NaOH 10%
kalt
NaOH 50%
heiß
NaOH liq.
400°C
Yb2O3 YbF3 Yb2(SO4)3 YbCl3 (CH3COO)3Yb Yb(OH)3 Yb(OH)3 Yb(OH)3 NaYb(OH)4 Na3Yb(OH)6
 
Legende: Lösung   Unlöslich   sauer →  neutral  → alkalisch  
 
 

pKS-Werte von Säure-Base-Paaren (HA + H2O ↔ H3O+ + A-) :

Säurename Formel pKS-Wert Basenname Formel pKB-Wert

Ytterbium(II)-Ion Yb2+ 12.1 Hydroxo-Ytterbium(II)-Ion Yb(OH)+ 1.9

Ytterbium(III)-Ion Yb3+ 7.65 Hydroxo-Ytterbium(III)-Ion Yb(OH)2+ 6.35
Hydroxo-Ytterbium(III)-Ion Yb(OH)2+ 8.05 Dihydroxo-Ytterbium(III)-Ion Yb(OH)2+ 5.95
Dihydroxo-Ytterbium(III)-Ion Yb(OH)2+ 8.30 Ytterbium(III)hydroxid Yb(OH)3 5.7
Ytterbium(III)hydroxid Yb(OH)3 8.70 Tetrahydroxo-Ytterbiat(III)-Ion Yb(OH)4- 5.3