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masalah 1
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What is the general formula for aldehydes?
- C=O
- RCH=O
- RCOOH
- RCOR'
Sihir Perempuan Penyihir
Ikut Turutan
Universiti
sains
Carbonyl Compounds
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masalah 2
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Which reagent is used in the preparation of carbonyl compounds through ozonolysis of alkenes?
- KMnO4
- O3
- PCC
- LiAlH4
masalah 3
pilihan
What type of reaction occurs when a carbonyl compound reacts with a Grignard reagent?
- Nucleophilic addition
- Oxidation
- Reduction
- Condensation
masalah 4
pilihan
Which test is used to identify the presence of a methyl carbonyl group?
- Tollens' test
- Fehling's test
- Iodoform test
- Benedict's test
masalah 5
pilihan
Which reagent is used to differentiate aldehydes from ketones?
- 2,4-DNPH
- Tollens' reagent
- LiAlH4
- KMnO4
masalah 6
pilihan
What is the product of the reduction of a ketone using NaBH4?
- Primary alcohol
- Secondary alcohol
- Carboxylic acid
- Aldehyde
masalah 7
pilihan
Which compound will give a positive result in Fehling's test?
- Benzaldehyde
- Propanone
- Ethanal
- Acetone
masalah 8
pilihan
What is the role of LiAlH4 in organic reactions involving carbonyl compounds?
- Oxidizing agent
- Catalyst
- Reducing agent
- Dehydrating agent
masalah 9
pilihan
Which test uses 2,4-dinitrophenylhydrazine to identify carbonyl compounds?
- Brady's test
- Iodoform test
- Tollens' test
- Benedict's test
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