Gas test + Collection Flashcards
1
Q
Hydrogen
A
- Not soluble in water
- Less dense than air
- Displacement of water
- Lighted splint extinguishes with a pop sound
2
Q
Carbon
A
- Slightly soluble in water
- Denser than air
- Displacement of water
- White precipitate formed on lime water
3
Q
Oxygen
A
- Slightly soluble in water
- Slightly denser than air
- Displacement of water
- Glowing splint is reignited
4
Q
Chlorine
A
- soluble in water
- denser than air
- downward delivery
- moist blue litmus turns red and it then bleached
5
Q
Ammonia
A
- very soluble in water
- less dense than air
- Upward delivery
- Red litmus turns blue
6
Q
Sulfur dioxide Properties
A
- Very soluble in water
- denser than air
- Downward delivery
- Pass through aqueous ACIDIFIED potassium manganate (VII) , turns from purple to colorless
7
Q
DA : Concentrated sulfuric acid
A
Not suitable for alkaline gases
For drying neutral gases such as oxygen and hydrogen
For drying Acidic gases as well
8
Q
DA: Calcium oxide
A
For drying most gases , not suitable for Acidic gases
9
Q
DA : Anhydrous Calcium Chloride
A
For drying alkaline gases cannot dry acidic gas
10
Q
What is the indicator for water vapor
A
Copper (II) Sulfate , turns from white to blue
