Q1. Which compound has the highest boiling point among aldehydes with five carbon atoms?A. PentanalB. 2-MethylbutanalC. 3-MethylbutanalD. 2,2-Dimethylpropanal
Q2. What is the IUPAC name of \( \ce{Ph-CH=CH-CHO} \)?A. 2-PhenylpropanalB. 3-PhenylpropanalC. PhenylpropenalD. 3-Phenylprop-2-enal
Q3. Which reaction converts acetone to 4-methylpent-3-en-2-one?A. Clemmensen reductionB. Cannizzaro reactionC. Aldol condensationD. Grignard reaction
Q4. Which reagent is used to prepare an aldehyde from a primary alcohol?A. PCCB. KMnO₄C. H₂SO₄D. LiAlH₄
Q5. What is the product when acetophenone reacts with \( \ce{NaBH4} \)?A. EthylbenzeneB. 1-PhenylethanolC. Benzyl alcoholD. Acetophenone hydrate
Q6. Arrange in decreasing order of boiling points: \( \ce{CH3CHO} \), \( \ce{CH3COOH} \), \( \ce{CH3CH2OH} \).A. \( \ce{CH3CHO} \) > \( \ce{CH3CH2OH} \) > \( \ce{CH3COOH} \)B. \( \ce{CH3CH2OH} \) > \( \ce{CH3COOH} \) > \( \ce{CH3CHO} \)C. \( \ce{CH3COOH} \) > \( \ce{CH3CHO} \) > \( \ce{CH3CH2OH} \)D. \( \ce{CH3COOH} \) > \( \ce{CH3CH2OH} \) > \( \ce{CH3CHO} \)
Q7. Arrange in increasing order of acid strength: Benzoic acid, 4-Nitrobenzoic acid, 4-Methoxybenzoic acid.A. Benzoic acid < 4-Methoxybenzoic acid < 4-Nitrobenzoic acidB. 4-Nitrobenzoic acid < Benzoic acid < 4-Methoxybenzoic acidC. 4-Methoxybenzoic acid < 4-Nitrobenzoic acid < Benzoic acidD. 4-Methoxybenzoic acid < Benzoic acid < 4-Nitrobenzoic acid
Q8. Which of the following aldehydes is prepared by the ozonolysis of propene followed by hydrolysis?A. EthanalB. PropanalC. ButanalD. Benzaldehyde
Q9. Which reaction converts propanal to 3-hydroxy-2-methylpentanal?A. Clemmensen reductionB. Cannizzaro reactionC. Cross aldol condensationD. Grignard reaction
Q10. What is the product when propanal reacts with \( \ce{CH3CH2MgBr} \) followed by hydrolysis?A. Propan-1-olB. PentaneC. Pentan-3-olD. Pentan-2-ol