Question

which of the following is an example of an empirical formula? incorrect, 3 attempts remaining a c₂h₂o₂ b c₄h₈ c c₇h₁₄cl₂ d c₆h₉o₃ selected (incorrect) you can reduce this formula by dividing each subscript by 3. therefore, it is not an empirical formula. e c₈h₁₀

Explanation:

Step1: Understand empirical formula

An empirical formula gives the simplest whole - number ratio of atoms in a compound.

Step2: Analyze option A

For $C_2H_2O_2$, the ratio of $C:H:O$ is $2:2:2$, which can be simplified to $1:1:1$ (dividing each sub - script by 2). So it is not an empirical formula.

Step3: Analyze option B

For $C_4H_8$, the ratio of $C:H$ is $4:8$, which can be simplified to $1:2$ (dividing each sub - script by 4). So it is not an empirical formula.

Step4: Analyze option C

For $C_7H_{14}Cl_2$, the ratio of $C:H:Cl$ is $7:14:2$. Since 7, 14 and 2 have no common factor other than 1, it is an empirical formula.

Step5: Analyze option D

For $C_6H_9O_3$, the ratio of $C:H:O$ is $6:9:3$, which can be simplified to $2:3:1$ (dividing each sub - script by 3). So it is not an empirical formula.

Step6: Analyze option E

For $C_8H_{10}$, the ratio of $C:H$ is $8:10$, which can be simplified to $4:5$ (dividing each sub - script by 2). So it is not an empirical formula.

Answer:

C. $C_7H_{14}Cl_2$