الکوحل اور فینول

Written by Dr. Ayesha Nadeem (Chemistry)

بارہویں جماعت · کیمیا · 8 سوالات

نام: ____________________ تاریخ: ____________

Oxidation of a primary alcohol with acidified dichromate gives first:
- A An ester
- B An alkane
- C A ketone
- D An aldehyde
Oxidation of a secondary alcohol gives a:
- A Ketone
- B Alkane
- C Carboxylic acid
- D Aldehyde
Phenol is:
- A Strongly basic
- B Strongly acidic
- C Weakly acidic
- D Neutral
Ethanol and ethanoic acid react in the presence of an acid catalyst to form:
- A An ester
- B An ether
- C An aldehyde
- D An alkene
Methanol is poisonous because it is metabolised to:
- A Water only
- B Ethanol
- C Methanal and methanoic acid
- D Glucose
A tertiary alcohol is:
- A Resistant to oxidation by dichromate
- B Easily oxidised to an aldehyde
- C Easily oxidised to a ketone
- D Always a gas
The general formula of a saturated monohydric alcohol is:
- A CnH2n-1OH
- B CnH2n+1OH
- C CnHnOH
- D CnH2nOH
The reaction of phenol with bromine water gives a:
- A Blue solution
- B White precipitate
- C Green solid
- D Red gas

جوابی کلید

1. D, 2. A, 3. C, 4. A, 5. C, 6. A, 7. B, 8. B