Identify the Lucas reagent among the following?

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Identify the Lucas reagent among the following? Answer: Conc. HCl & Anhydrous ZnCl₂

Lucas reagent is a solution of anhydrous ZnCl₂ in concentrated HCl. It is used to distinguish primary, secondary, and tertiary alcohols based on their reaction speed with the reagent: Tertiary alcohols → immediate reaction Secondary alcohols → slow reaction

Question context

This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.