Ion Flame Test Quiz

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Flame colors for cations

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Tayomise Fakomi

Nigeria

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Froggy Jumps Ion Flame Test QuizOnline version Flame colors for cations by Tayomise Fakomi 1 What color does Li+ produce in a flame test? a Green flame b Yellow c Crimson red 2 Which ion produces a bright yellow flame with Na contamination? a Sodium (Na+) b Lithium (Li+) c Potassium (K+) 3 What flame color is characteristic of potassium (K+)? a Orange b Lilac/purple c Red 4 Calcium (Ca2+) typically shows which flame color? a Blue b Yellow c Brick red/orange-red 5 Strontium (Sr2+) flame color is best described as? a Green b Purple c Scarlet red 6 Barium (Ba2+) gives which flame color? a Apple-green b Pink c Blue-green 7 Why is flame testing not definitive for cations alone? a Contaminants like Na can mask colors b Requires solid samples c Only detects anions 8 Which test is used to identify halide anions (not in a flame)? a Silver nitrate test b Flame test c Benedict’s test 9 If sodium contamination masks other ions, what flame color dominates? a Green b Bright yellow c Lilac 10 Which two cations can be distinguished by their flame color shades red: Ca2+ vs Sr2+? a Sodium vs Potassium b Calcium (brick red) vs Strontium (crimson red) c Lithium vs Cesium

Froggy Jumps

Ion Flame Test QuizOnline version

Flame colors for cations

by Tayomise Fakomi

What color does Li+ produce in a flame test?

Green flame

Yellow

Crimson red

Which ion produces a bright yellow flame with Na contamination?

Sodium (Na+)

Lithium (Li+)

Potassium (K+)

What flame color is characteristic of potassium (K+)?

Orange

Lilac/purple

Red

Calcium (Ca2+) typically shows which flame color?

Blue

Yellow

Brick red/orange-red

Strontium (Sr2+) flame color is best described as?

Green

Purple

Scarlet red

Barium (Ba2+) gives which flame color?

Apple-green

Pink

Blue-green

Why is flame testing not definitive for cations alone?

Contaminants like Na can mask colors

Requires solid samples

Only detects anions

Which test is used to identify halide anions (not in a flame)?

Silver nitrate test

Flame test

Benedict’s test

If sodium contamination masks other ions, what flame color dominates?

Green

Bright yellow

Lilac

Which two cations can be distinguished by their flame color shades red: Ca2+ vs Sr2+?

Sodium vs Potassium

Calcium (brick red) vs Strontium (crimson red)

Lithium vs Cesium

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Ion Flame Test Quiz

Froggy Jumps

About this activity

Created by

Download the paper version to play

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Ion Flame Test QuizOnline version

by Tayomise Fakomi

What color does Li+ produce in a flame test?

Which ion produces a bright yellow flame with Na contamination?

What flame color is characteristic of potassium (K+)?

Calcium (Ca2+) typically shows which flame color?

Strontium (Sr2+) flame color is best described as?

Barium (Ba2+) gives which flame color?

Why is flame testing not definitive for cations alone?

Which test is used to identify halide anions (not in a flame)?

If sodium contamination masks other ions, what flame color dominates?

Which two cations can be distinguished by their flame color shades red: Ca2+ vs Sr2+?

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