Aromatic Carbonyl Compound

VIDYANCHAL The Pioneer Academy for IIT-JEE / PMT Coaching 4/1/2009 Topic: 1. In the given reaction: [X] C6H5CH=CHCHO  → C6H5CH2CH2CH2OH [X] will be : (a) NaBH4 (b) Aluminium isopropoxide (c) LiAlH4 2. In the given reaction: [X] C H CH=CHCH OH [X] will be : C6H5CH=CHCH2OH  2 → 6 5 (a) Aluminium isopropoxide + isopropyl alcohol 3. The product of the reaction:

Class: XIIth Class

Page No. (1)

(d) All of these

(b) NaBH4 (c) H2/Ni/∆

(d) Both (a) and (b)

will be:

(a) C6H5CH=CHCOOH 4. Cinnamic acid is β -phenyl-α , β -unsaturated acid. This acid can be prepared from Perkin reaction by: (a) C6H5CHO (b) CH3COOH (c) C6H5CHO and CH3COOH (d) C6H5CHO and Ac2O 5.In the reaction sequence:

[X], [Y] and [Z] will respectively be:

6. Benzaldehyde can be converted into benzylbenzoate in one step by: (a) (C2H5O)3Al (b) Al2O3 (c) Na2[Fe(CO)4] (d) All of these 7. Benzoin condensation is given by: (a) C6H5CHO (b) CH3—CHO (c) C6H5—CH2—CHO (d) All of these 8. Benzoin is a: (a) Alcohol (b) Ketone (c) α -Hydroxy ketone (d) α -Hydroxy aldehyde 9. mixture of benzaldehyde and formaldehyde on heating with aqueous NaOH solution gives : (a) C6H5 CH2OH and HCOONa (b) C6H5COONa and CH3OH (d) C6H5CH2OH and CH3OH HCOONa 10. The given reaction

(a) Perkin reaction

(b) Knoevenagel reaction

is known as: (c) Reformatsky reaction

(c) C6H5COONa and

(d) Claisen-Schmidt reaction

Answers:1. (c) 2.(d) 3. D 4. (d) 5. A 6. (c) 7. (a) 8. (c) 9. (a) 10. (c)

Concept by- Devender Singh

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