JAMB Chemistry 2016 Objective — Question 20
Question 20 of 40 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2016 Objective paper, with the correct answer and a full explanation.
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20. The compounds CH3CH2CHO and CH3COCH3 can be distinguished from each other using A. dilute ammonia B. Benedict's solution C. Tollen's reagent D. sodium hydroxide solution
- A. dilute ammonia
- B. Benedict's solution
- C. Tollen's reagentCorrect
- D. sodium hydroxide solution
Explanation
CH3CH2CHO (an aldehyde) and CH3COCH3 (a ketone) can be distinguished using Tollen's reagent, since aldehydes are able to reduce mild oxidizing agents such as Fehling's and Tollen's reagents while ketones are not.
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