Aldehydes Ketones and Carboxylic AcidshardMCQ SINGLE⭐ Must-Do

Which of the following specific carbonyl compounds reacts with saturated aqueous to form a crystalliAldehydes Ketones and Carboxylic Acids Chemistry Question

Question

Which of the following specific carbonyl compounds reacts with saturated aqueous $NaHSO_3$ to form a crystalline adduct, making it useful for chemical separation?

Answer: C

💡 Solution & Explanation

$NaHSO_3$ addition is highly sensitive to steric hindrance. It works reliably for aldehydes (like acetaldehyde) and unhindered methyl ketones, but completely fails for bulky ketones like acetophenone or benzophenone.

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