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CHEMISTRY OF THE ELEMENTS: Nitrogen
Chemistry Of The Elements: Sulphur
MATTER - PROPERTIES AND TRANSFORMATION: Acidic And Alkaline Solutions
MATTER - PROPERTIES AND TRANSFORMATION: Atomic Structure And The Periodic Table
MATTER - PROPERTIES AND TRANSFORMATION: Atoms
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Carbon
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Hydrogen
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Oxygen
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Phosphorus
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - The Halogens
MATTER - PROPERTIES AND TRANSFORMATION: Structure And Bonding
5/76 MCQs for:
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Phosphorus
In a plentiful supply of chlorine, phosphorus reacts to form.
P
4 (s)
+ 3O
2 (g)
→ P
4
O
6 (s)
.
P
4 (s)
+ 5O
2 (g)
→ P
4 (s)
O
10(g)sub.
P
4 (s)
+ 6Cl
2 (g)
→ 4PCl
3 (l)
.
P
4 (s)
+ 10Cl
2 (g)
→ 4PCl
5 (s)
.
Which allotrope of phosphorus is stable up to high temperatures and pressures?
White phosphorus.
All are equally stable.
Red phosphorus.
Black phosphorus.
What is the common use of phosphorus compounds in matches, besides red phosphorus on the striking surface?
As a binding agent for the matchstick.
To prevent the match from burning too quickly.
In the match head as a fuel.
As an oxidizing agent in the match head (e.g., potassium chlorate).
What color flame does phosphorus produce when it burns in air/oxygen?
Blue.
Orange.
Bright white.
Yellow.
Phosphorus is classified as a:
Non-metal.
Noble gas.
Metalloid.
Metal.
