Question

Write the structure and IUPAC name of benzyl chloride.

Answer 1

IUPAC:

• The worldwide using chemical names are created and developed by IUPAC, it follows certain rules for naming the compounds

IUPAC name of benzyl chloride:

Step 1: Identify the parent chain:

• Here, the parent chain is benzene.

Step 2: Naming the substituents and positioning:

• There is one methylene ${\mathrm{CH}}_2$substituent and chloro substituents are present here.
• The benzyl means a benzene ring attached to a ${\mathrm{CH}}_2$ group and chloro means a substituent chloride is attached to it.
• From the methyl group, two hydrogens were replaced and other groups are attached. So, the ${\mathrm{CH}}_2$ group will be called as methyl and chloro present which combines to form chloromethyl as chloro is first in alphabet then the methyl comes.

Step 3: IUPAC name of the compound:

• Hence, the IUPAC name of this compound is chloromethyl benzene.

Structure of benzyl chloride:

Step 1: Finding the parent chain:

• The parent chain presents here is benzyl which is a cyclic hydrocarbon.

Step 2: Finding and positioning the substituents.

• The methylene and chloro substituents are present, where there is no numbering, So they are present in the first carbon.
• Hence, the structure is
•