Qualitative Analysis- Cations

Front

What cation gives a lilac flame colour?

Back

K⁺

Front

What cation gives a green precipitate with NaOH?

Back

Fe²⁺

Front

What cation gives a blue precipitate with NaOH?

Back

Cu²⁺

Front

What cation gives a brick red precipitate with NaOH?

Back

Fe³⁺

Front

What cation gives an insoluble white precipitate with NaOH and gives a brick red flame?

Back

Ca²⁺

Front

What is the flame colour of potassium cation (K⁺)?

Back

Lilac

Front

What is the flame colour of calcium cation (Ca²⁺)?

Back

Brick red

Front

What is the precipitate formed when Fe²⁺ reacts with NaOH?

Back

Green precipitate

Front

What is the precipitate formed when Cu²⁺ reacts with NaOH?

Back

Blue precipitate

Front

What is the precipitate formed when Fe³⁺ reacts with NaOH?

Back

Brick red precipitate