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How many structural isomers are there of trichloropropane, C3H5Cl3? - CIE - A-Level Chemistry - Question 20 - 2010 - Paper 1

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How many structural isomers are there of trichloropropane, C3H5Cl3?

Worked Solution & Example Answer:How many structural isomers are there of trichloropropane, C3H5Cl3? - CIE - A-Level Chemistry - Question 20 - 2010 - Paper 1

Step 1

Identify the molecular formula

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Answer

The molecular formula for trichloropropane is C3H5Cl3, which indicates it consists of three carbon atoms, five hydrogen atoms, and three chlorine atoms.

Step 2

Determine possible structural isomers

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Answer

Structural isomers differ in the connectivity of their atoms. For C3H5Cl3, consider possible arrangements of chlorine atoms on the propane backbone, leading to various structural forms.

Step 3

Count the structural isomers

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Answer

By systematically drawing out the structures, we can find that there are five distinct structural isomers of trichloropropane. Therefore, the answer is option C.

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