Choose the appropriate word(s) from the bracket [first, alc. AgCN, primary, decrease, third…
Choose the appropriate word(s) from the bracket [first, alc. AgCN, primary, decrease, third, increase, zero, Lucas, alc. KCN, KOH, no change, two, Tollen’s, AgOH, tertiary]:
A mixture of anhydrous $\text{ZnCl}_2$ and conc. $\text{HCl}$ is called ____ reagent which shows maximum reactivity with ____ alcohol.
Answer
Answer
AIWritten by AI (gemini) - it can contain mistakes.
Blanks: Lucas; tertiary
Lucas; tertiary. Lucas reagent is an equimolar mixture of anhydrous $\text{ZnCl}_2$ and concentrated $\text{HCl}$, which shows highest reactivity with tertiary alcohols due to the formation of stable tertiary carbocations.
From ISC 2026 Chemistry Paper 1, question 1(A)(i).