Select the two models that represent molecules of substances with the same chemical formula but different arrangements of atoms.

Question

H

C

O

Cl

chlorotic acid,methyl, chloroformate, dichloracetic, chloroacetaldehyde
Complete the chemical formula for the two substances.
If an atomic symbol has no subscript, leave the box next to the symbol blank.
C
H
Cl
O

Answer 1

The two models that represent molecules of substances with the same chemical formula but different arrangements of atoms are "chloroacetic acid" (C2H3ClO2) and "chlorotic acid" (C2H4ClO2).

Both of these substances have the same molecular formula, which is C2H3ClO2. However, they have different structural arrangements of the atoms. Here’s how the chemical formula is represented for both substances:

1. Chloroacetic Acid

   • C: 2
   • H: 3
   • Cl: 1
   • O: 2

2. Chlorotic Acid (if it were to actually refer to a valid molecule similarly structured):

   • C: 2
   • H: 4
   • Cl: 1
   • O: 2

The presence of other substances listed (like methyl, chloroformate, dichloracetic, chloroacetaldehyde) also suggests that they can be isomeric forms, potentially yielding different molecular arrangements. However, it's crucial to note that some of these might not share identical molecular formulas upon further inspection.

Complete Chemical Formula Example:

• For Chloroacetic Acid (C2H3ClO2):

  • C: 2
  • H: 3
  • Cl: 1
  • O: 2

• For Dichloracetic Acid (C2H2Cl2O2 or any alternative valid isomers):

  • C: 2
  • H: 2 (or another relative to isomer)
  • Cl: 2
  • O: 2

In this case, the same molecular formulas indicate isomerism due to different arrangements within the same framework. Using these variables will lead to identifying the isomers thereof.