12th Class Chemistry Alcohols, Phenols and Ethers / एल्कोहॉल, फीनॉल तथा ईथर Question Bank 12th CBSE Chemistry Alcohols, Phenols and Ethers

  • question_answer
    Give a simple chemical test to distinguish between: (i) Ethanol and dimethylether (ii) Pentan-1-ol and Pent-1-ene (iii) p-methylphenol and methoxybenzene.

    Answer:

                    (i) Ethanol gives iodoform test (yellow ppt.) but dimethylether does not. (ii) Pent-1-ene decolourises bromine water butpentan-1-ol does not. (iii) p-methylphenol gives characteristic violet colouration with \[FeC{{l}_{3}}\] but methoxybenzene does not.


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