The appearance of a silver mirror in Toliens test indicates the presence of which of the following?
Correct answer: B. An aldehyde
- A. A ketone
- B. An aldehyde
- C. An acid
- D. An alcohol
Explanation
Aldehyde (Correct)Explanation: Aldehydes reduce Tollens' reagent (Ag⁺) to metallic silver, creating a silver mirror on the test tube.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Aldehydes and Ketones
Aldehydes and ketones contain the polar carbonyl group, but aldehydes are generally more readily oxidised and more reactive than ketones. Coverage includes preparation by oxidation or reduction routes, nucleophilic addition of reagents such as hydrogen cyanide and bisulfite, and tests that distinguish aldehydes from ketones.
Practise Aldehydes and Ketones
679 free Aldehydes and Ketones MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Chemistry questions like this
Chemistry is on 14 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Aldehydes and Ketones questions
What is the IUPAC name of diisopropyl ketone?
Aldehydes do not give which identification test:
Aldehydes cannot be easily oxidized by:
The reduction of aldehyde and ketone is to alkanes in the presence of Zinc amalgam and HCl is called
Aldehyde and ketone on reaction with hydroxylamine form:
Fehling's solution works on the principle of redox reaction which results in: