Carbonyl Compounds and their Reactions
Chemistry ⇒ Carbon and Organic Chemistry
Carbonyl Compounds and their Reactions starts at 10 and continues till grade 12.
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See sample questions for grade 11
A student adds Fehling's solution to an unknown compound and observes a red precipitate. What functional group is likely present in the compound?
Calculate the number of structural isomers possible for C4H8O (aldehydes and ketones only).
Describe the effect of electron-withdrawing groups on the reactivity of carbonyl compounds.
Describe the mechanism of nucleophilic addition of hydride ion to a carbonyl group.
Explain why aldehydes are more easily oxidized than ketones.
A student adds Fehling's solution to an unknown compound and observes a red precipitate. What functional group is likely present in the compound?
A compound with molecular formula C3H6O does not react with Tollens' reagent but gives a positive result with 2,4-dinitrophenylhydrazine. Identify the compound and explain your reasoning.
When benzaldehyde is treated with concentrated NaOH, a mixture of benzyl alcohol and benzoic acid is formed. Name this reaction and explain the process.
Which of the following carbonyl compounds can undergo the iodoform reaction? (1) Methanal (2) Ethanal (3) Propanone (4) Benzaldehyde
Which of the following carbonyl compounds is aromatic? (1) Acetone (2) Benzaldehyde (3) Propanal (4) Butanone
Which of the following compounds will give a positive Tollens' test? (1) Propanone (2) Benzaldehyde (3) 2-Butanone (4) Acetone
Which of the following is a carbonyl compound? (1) Methanol (2) Acetone (3) Ethane (4) Benzene
Fill in the blank: The product of the reaction between acetone and iodine in the presence of sodium hydroxide is _________.
Fill in the blank: The reaction of a carbonyl compound with a primary amine forms a _________.
Fill in the blank: The reaction of an aldehyde with 2,4-dinitrophenylhydrazine gives a _________.
Fill in the blank: The reduction of a ketone with NaBH4 produces a _________.
Aldehydes are generally more reactive than ketones towards nucleophilic addition reactions. True or False?
State whether the following statement is true or false: All carbonyl compounds are soluble in water.
True or False: Both aldehydes and ketones contain a carbonyl group.
True or False: Ketones can be oxidized to carboxylic acids under mild conditions.
