Chapter 4 Flashcards
1
Q
Disproportionation
A
Oxidation and reduction of same element
2
Q
Base
A
Accepts a proton / H+ ion
3
Q
Oxidation number exceptions
A
Hydrogen in metal hydrides = -1
Oxygen in peroxides = -1
Oxygen bonded to fluorine = +2
Bromine + chlorine bonded to oxygen, nitrogen , lighter halogen = +1
4
Q
Alkali
A
Released OH- ions in solution
5
Q
Salt formed?
A
A hyrdiegn ion has been replaced by a metal ion
6
Q
Improve titration
A
Repeat titration until concordant results (within 0.1) + then calculate mean titre from concordant
