During the organic layer test, chlorine water is added to the Lassaigne's extract in the presence of — Practical Organic Chemistry and Purification Chemistry Question
Question
During the organic layer test, chlorine water is added to the Lassaigne's extract in the presence of $CS_2$. If the organic layer turns violet, it confirms the presence of:
Answer: C
💡 Solution & Explanation
Chlorine water oxidizes $I^-$ to free $I_2$, which partitions into the dense organic layer ($CS_2$ or $CCl_4$) and imparts a characteristic violet color.
💬Ask on WhatsApp →
Still have doubts about this question?
Send it to our AI chemistry tutor on WhatsApp — gets answered in minutes