Identify the correct order of boiling points of the following compounds, $\begin{array}{l} {\rm{C}}{{\rm{H}}_3}{\left( {{\rm{C}}{{\rm{H}}_2}} \right)_2}{\rm{C}}{{\rm{H}}_2}{\rm{OH}};{\rm{C}}{{\rm{H}}_3}{\left( {{\rm{C}}{{\rm{H}}_2}} \right)_2}{\rm{CHO}};\\ \;\;\;\;\;\;\;\;\;\;\;\;\;1\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;2 \end{array}$ $\begin{array}{l} {\rm{C}}{{\rm{H}}_3}{\left( {{\rm{C}}{{\rm{H}}_2}} \right)_2}{\rm{COOH}}:\\ \;\;\;\;\;\;\;\;\;\;\;\;\;3 \end{array}$

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NEET UG CHEMISTRY MCQ: ALDEHYDES & KETONES & CARBOXYLIC ACIDS

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Identify the correct order of boiling points of the following compounds,

\begin{array}{l} \mathrm{C}{\mathrm{H}_3}{\left( {\mathrm{C}{\mathrm{H}_2}} \right)_2}\mathrm{C}{\mathrm{H}_2}\mathrm{OH};\mathrm{C}{\mathrm{H}_3}{\left( {\mathrm{C}{\mathrm{H}_2}} \right)_2}\mathrm{CHO};\\ \;\;\;\;\;\;\;\;\;\;\;\;\;1\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;2 \end{array}

\begin{array}{l} \mathrm{C}{\mathrm{H}_3}{\left( {\mathrm{C}{\mathrm{H}_2}} \right)_2}\mathrm{COOH}:\\ \;\;\;\;\;\;\;\;\;\;\;\;\;3 \end{array}

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Correct option: B

3 > 1 > 2

Option B (3 > 1 > 2) is correct because carboxylic acids have higher boiling points than alcohols, which have higher boiling points than aldehydes due to stronger intermolecular forces.

NEET UG CHEMISTRY MCQ: ALDEHYDES & KETONES & CARBOXYLIC ACIDS

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