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Choose the correct option.
An unknown alcohol is treated with Lucas reagent to determine whether the alcohol is primary…
An unknown alcohol is treated with Lucas reagent to determine whether the alcohol is primary, secondary or tertiary.
(i)[1.0]
Which alcohol reacts fastest and by what mechanism?
- (a)Tertiary alcohol by SN2
- (b)Secondary alcohol by SN1
- (c)Tertiary alcohol by SN1
- (d)Secondary alcohol by SN2
(ii)[1.0]
What is the chemical composition of the Lucas reagent used above?
- (a)Anhydrous zinc chloride in concentrated HCl
- (b)Anhydrous aluminium chloride in concentrated HCl
- (c)Anhydrous lead chloride in concentrated HCl
- (d)Anhydrous barium chloride in concentrated HCl
Answer
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From ISC 2022 Chemistry - Specimen paper (Semester 1), Paper 1, question 35.