类别 全部 - test - elements - ions - colors

作者:Ben Dover 13 年以前

354

Cations

Identifying various ions involves observing distinct colors and reactions during tests. For instance, Cu2+ ions exhibit a blue color, while Fe2+ and Fe3+ ions show green and brown colors, respectively.

Cations

Solid

Flame Test

Apple Green- Ba+
Crimson Red- Li+
Brick Red- Ca+
Lilac flame- K+
Orange flame - Na+

Solution

No precipitate.
could be

Li+

Na+

K+

Fizzy
NH4+
PPT
Colours

Green- Fe2+

Blue- Cu2+

Brown - Fe3+