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Question: Write the formula of allyl alcohol and benzyl alcohol....

Write the formula of allyl alcohol and benzyl alcohol.

Explanation

Solution

The IUPAC name for allyl alcohol is 2-propen-1-ol.
The IUPAC name for benzyl alcohol is phenylmethanol.

Complete step by step answer:
-Step 1:
-Write the condensed structural formula of allyl alcohol as follows:
-The IUPAC name for allyl alcohol is 2-propen-1-ol. 2-propen suggests that there are three carbon atoms and double bonds at the second carbon. 1-ol suggests that the −OH - {\text{OH}} functional group is attached to the first carbon. Thus, the condensed structural formula of allyl alcohol is,
CH2=CH−CH2−OH{\text{C}}{{\text{H}}_{\text{2}}} = {\text{CH}} - {\text{C}}{{\text{H}}_{\text{2}}} - {\text{OH}}
-Write the structural formula of allyl alcohol as follows:
-The structural formula of allyl alcohol is CH2=CH−CH2−OH{\text{C}}{{\text{H}}_{\text{2}}} = {\text{CH}} - {\text{C}}{{\text{H}}_{\text{2}}} - {\text{OH}}.

-Write the molecular formula of allyl alcohol as follows:
The condensed structural formula of allyl alcohol is CH2=CH−CH2−OH{\text{C}}{{\text{H}}_{\text{2}}} = {\text{CH}} - {\text{C}}{{\text{H}}_{\text{2}}} - {\text{OH}}. It contains three carbon atoms, six hydrogen atoms and one oxygen atom. Thus, the molecular formula of allyl alcohol is,
C3H6O{{\text{C}}_{\text{3}}}{{\text{H}}_{\text{6}}}{\text{O}}.
-Step 2:
-Write the condensed structural formula of benzyl alcohol as follows:
-The IUPAC name for benzyl alcohol is phenylmethanol. Phenylmethanol suggests that methanolCH2−OH{\text{C}}{{\text{H}}_2} - {\text{OH}} functional group is attached to the phenyl ring. Thus, the condensed structural formula of benzyl alcohol is,
C6H5−CH2−OH{{\text{C}}_6}{{\text{H}}_{\text{5}}} - {\text{C}}{{\text{H}}_{\text{2}}} - {\text{OH}}
-Write the structural formula of benzyl alcohol as follows:
-The structural formula of benzyl alcohol is C6H5−CH2−OH{{\text{C}}_6}{{\text{H}}_{\text{5}}} - {\text{C}}{{\text{H}}_{\text{2}}} - {\text{OH}}.

-Write the molecular formula of benzyl alcohol as follows:
-The condensed structural formula of benzyl alcohol is C6H5−CH2−OH{{\text{C}}_6}{{\text{H}}_{\text{5}}} - {\text{C}}{{\text{H}}_{\text{2}}} - {\text{OH}}. It contains seven carbon atoms, eight hydrogen atoms and one oxygen atom. Thus, the molecular formula of benzyl alcohol is,
C7H8O{{\text{C}}_{\text{7}}}{{\text{H}}_{\text{8}}}{\text{O}}.

Note: A molecule is represented using a molecular formula. The molecular formula represents the number of atoms of different elements present in molecules.
The structural formula represents which atoms are bonded to each other and the condensed structural formula is condensed form of structural formula.