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OCR A Chemistry – Testing for ions | Summary Notes

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These OCR A Chemistry notes cover the full topic of Transition Metals, including ligand substitution, oxidation states, and redox reactions. Perfect for Year 13 students revising for Module 5.

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TESTING FOR 10m
qualitative analysis of ions on a test tube scale processes and
techniques needed to identify the following ions in an unknown
compound
Anions 032 CL Br 1 5042
t Cust
cations Nhat Cust FeatFest mn
Positive ions

metal ions
ion name compound before
99 591
without's Eggs Eggs
cost coppery Bivepree redissolves no
Felt iron ill Greensal Greenpree no no
mn't manganella Pinusol Brownpres no no
cr ᵗ chromium ill violet so Green pree Purplesol Greens
Fest iron ill yellow brownsot Brown prec no no

Ammonium ion

Nhat Aq On Agl NH3 Aq Holag
Add Naoh to solution warm gently
Turns red litmuspaper blue

negative ions
carbonate ions 0032
032 Aq 2H Aq H2OAq CO29
Add strong acid to solution collect bubbles andpass through

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