Math

QuestionWhat is the correct name for the compound PCl₃?

Studdy Solution

STEP 1

Assumptions1. The compound is PCl3\mathrm{PCl}_{3}. . We are using the IUPAC naming system for inorganic compounds.

STEP 2

Identify the elements present in the compound. In this case, we have phosphorus () and chlorine (Cl).

STEP 3

The first element in the formula is phosphorus. In the name of the compound, we simply use the element's name. So, the first part of the compound's name is "phosphorus".

STEP 4

The second element in the formula is chlorine. When naming compounds, the second element's name is modified to end in "-ide". So, chlorine becomes "chloride".

STEP 5

The subscript after the chlorine (Cl) indicates that there are three chlorine atoms in the compound. This is indicated in the name by the prefix "tri-".

STEP 6

Combine the names of the elements, including the prefix for the number of chlorine atoms. The correct name for the compound is "phosphorus trichloride".
The correct name for PCl3\mathrm{PCl}_{3} is phosphorus trichloride.

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