AP EAMCET · Chemistry · Aldehydes and Ketones
3-hydroxybutanal is formed when \((X)\) reacts with \((Y)\) in dilute \((Z)\) solution. What are \(X, Y\) and \(Z\) ?
\(\begin{array}{lll}X & Y & Y\end{array}\)
- A \(\mathrm{CH}_3 \mathrm{CHO},\left(\mathrm{CH}_3\right)_2 \mathrm{CO}, \mathrm{NaOH}\)
- B \(\mathrm{CH}_3 \mathrm{CHO}, \quad \mathrm{CH}_3 \mathrm{CHO}, \quad \mathrm{NaCl}\)
- C \(\left(\mathrm{CH}_3\right)_2 \mathrm{CO},\left(\mathrm{CH}_3\right)_2 \mathrm{CO}, \mathrm{HCl}\)
- D \(\mathrm{CH}_3 \mathrm{CHO}, \quad \mathrm{CH}_3 \mathrm{CHO}, \quad \mathrm{NaOH}\)
Answer & Solution
Correct Answer
(D) \(\mathrm{CH}_3 \mathrm{CHO}, \quad \mathrm{CH}_3 \mathrm{CHO}, \quad \mathrm{NaOH}\)
Step-by-step Solution
Detailed explanation
Aldehydes having \(\alpha\)-H-atoms undergoes aldol condensation in the presence of dil. \(\mathrm{NaOH}\) and yield \(\beta\)-hydroxy aldehydes.
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