To 4-5 drops of an unknown alcohol, 1 mL of Lucas reagent (ZnCl2 + HCl) is mixed. No cloudiness or separate layer was observed in the test tube even after 6 minutes. The unknown alcohol may be   options:   A)  Secondary alcohol   B)  Primary and secondary alcohol   C)  Tertiary alcohol   D)  Primary alcohol

Q: 9.

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Q: Attempt: 1/3 Incorrect, please try again!

A: .......