Acid radical:
The ion formed after removal of Hydrogen ion (H⁺ ion) from an acid is called acid radical.
Ex: When HCl loses H⁺ ion, it forms Cl⁻ which is an acid radical.
Basic radical:-
The ion formed after removal of hydroxide ions (OH⁻ ions) from a base is called basic radical.
Ex: When NaOH loses OH⁻ ion, it forms Na⁺ which is a basic radical.
BASIC Radicles
H + Hydrogen
Na+ Sodium
K+ Potassium
Ag+ Silver
Hg+ Mercurous
Cu+ Cuprous
Cu2+ Cupric/Copper
Mg2+ Magnesium
Ca2+ Calcium
Ni 2+ NickelCo2+ Cobalt
Hg2+ Mercuric
Mn2+ Manganese
Fe2+ Ferrous (Iron II)
Sn2+ Stannous
Pt 2+ Platinum
Al3+ Aluminium
Cr3+ Chromium
Fe3+ Ferric
Au3+ Gold
NH4+ Ammonium
Add.
Acidic Radicals
H– Hydride
F– Fluoride
Cl– Chloride
Br– Bromide
I– Iodide
O2- Oxide
S2- Sulphide
N3- Nitride
OH– Hydroxide
NO3- Nitrate
NO2 – Nitrite
HCO3- Bicarbonate
HSO4– Bisulphate
HSO3– Bisulphite
MnO4– Permanganate
ClO3– Chlorate
BrO3– Bromate
IO3 – Iodate
CO3 2- Carbonate
SO4 2– Sulphate
SO32– Sulphite
CrO4 2– Chromate
Cr2O72- Dichromate
PO43- Phosphate
| Acid | Acid radical |
| HCl | Cl⁻ |
| HNO₃ | NO₃⁻ |
| CH₃COOH | CH₃COO⁻ |
| H₂SO₄ | SO₄⁻² |
| H₂CO₃ | CO₃⁻² |
| HBr | Br⁻ |
| HF | F⁻ |
| HI | I⁻ |
| H₃PO₄ | PO₄⁻³ |
| HClO₄ | ClO₄⁻ |
| HNO₂ | NO₂⁻ |
Add
| Base | Basic radical |
| NaOH | Na⁺ |
| KOH | K⁺ |
| LiOH | Li⁺ |
| Mg(OH)₂ | Mg⁺² |
| Ca(OH)₂ | Ca⁺² |
| RbOH | Rb⁺ |
| CsOH | Cs⁺ |
| Ba(OH)₂ | Ba⁺² |
| Fe(OH)₃ | Fe⁺³ |
| Cu(OH)₂ | Cu⁺² |
| Zn(OH)₂ | Zn⁺² |
| Acid radical | Basic radical | Salt |
| Cl⁻ | Na⁺ | NaCl |
| NO₃⁻ | K⁺ | KNO₃ |
| CH₃COO⁻ | Li⁺ | CH₃COOLi |
| SO₄⁻² | Mg⁺² | MgSO₄ |
| CO₃⁻² | Ca⁺² | CaCO₃ |
| Br⁻ | Rb⁺ | RbBr |
| F⁻ | Cs⁺ | CsF |
| I⁻ | Ba⁺² | BaI₂ |
| PO₄⁻³ | Fe⁺³ | FePO₄ |
| ClO₄⁻ | Cu⁺² | Cu(ClO₄)₂ |
| NO₂⁻ | Zn⁺² | Zn(NO₂)2 |
