NEET UG CHEMISTRY MCQ: ALDEHYDES & KETONES & CARBOXYLIC ACIDS

1 Easy

1 of 1

Application +4 | -1

What is product '

\mathrm{B}

' in the given sequence of reaction,

{\text{CH}} \equiv {\text{CH}}\xrightarrow{{{\text{HgS}}{{\text{O}}_4}/{{\text{H}}_2}{\text{S}}{{\text{O}}_4}}}{\text{A}}\xrightarrow{{{\text{NaOH}}}}{\text{B}}

View answer and explanation

Correct option: D

\mathrm{CH}_3 \mathrm{CH}(\mathrm{OH}) \mathrm{CH}_2 \mathrm{CHO}

Option D (

\mathrm{CH}_3 \mathrm{CH}(\mathrm{OH}) \mathrm{CH}_2 \mathrm{CHO}

) is correct because ethyne reacts with HgSO4/H2SO4 to form acetaldehyde, which undergoes aldol condensation in the presence of NaOH.

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