What is the correct formula for aluminum phosphide?
A. $Al _3 P _3$
B. PAI
C. AIP
D. $Al _5 P _3$
Answer (1)
Aluminum has a valency of +3 and phosphorus has a valency of -3.
They combine in a 1:1 ratio.
The correct formula is AIP.
Therefore, the answer is A I P .
Explanation
Problem Analysis We need to identify the correct chemical formula for aluminum phosphide from the given options.
Valency Determination Aluminum (Al) typically has a valency of +3, and phosphorus (P) typically has a valency of -3. These valencies balance each other in a 1:1 ratio to form a neutral compound.
Formula Conclusion Therefore, the correct chemical formula for aluminum phosphide is AIP.
Examples
Aluminum phosphide is used as a fumigant to control pests in stored grains. Understanding its chemical formula is crucial for safe and effective application in agriculture to protect food supplies from insect damage. Knowing the correct formula ensures that the right compound is used, preventing potential harm to humans and the environment.
