Цены ВОЙТИ РЕГИСТРАЦИЯ

Категории: Все - test - elements - ions - colors

по Ben Dover 14 лет назад

472

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.

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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+