MCQs on Benzene and its Derivatives

MCQs on Benzene and its Derivatives

1. This can be a halide in the Friedel Crafts reaction

(a) isopropyl chloride

(b) chlorobenzene

(c) bromobenzene

(d) chloroethene

2. Which of the following will not easily undergo Friedel Crafts reaction?

(a) Xylene

(b) Nitrobenzene

(c) Cumene

(d) Toluene

3. When phenyl methyl ether reacts with HI it forms

(a) benzene

(b) ethyl chloride

(c) iodobenzene

(d) phenol

4. Which of the following is the most acidic?

(a) p-nitrophenol

(b) 2,4,6-trinitrophenol

(c) p-cresol

(d) Phenol

5. Phenol is converted to salicylaldehyde when treated with chloroform and aq. KOH, the reaction is known as

(a) Friedel Crafts reaction

(b) Rosenmund’s reaction

(c) Sommelet reaction

(d) Reimer-Tiemann reaction

6. Which of the following is formed when benzene is oxidised by V₂O₅ in presence of air?

(a) Benzoic anhydride

(b) Benzaldehyde

(c) Maleic anhydride

(d) Benzoic acid

7. Catalytic reduction of benzoyl chloride in presence of Pd-BaSO₄ yields

(a) C₆H₅OH

(b) C₆H₅Cl

(c) C₆H₅CHO

(d) C₆H₅COCH₃

8. This on reduction with LiAlH₄ produces secondary amine

(a) Methyl cyanide

(b) Nitroethane

(c) Methyl isocyanide

(d) Acetamide

9. In which of the following reactions does toluene get converted to benzaldehyde by chromyl chloride?

(a) Riemer-Tiemann reaction

(b) Cannizzaro’s reaction

(c) Etard reaction

(d) Wurtz reaction

10. Which of the following reactions will yield phenyl isocyanide?

(a) Carbylamine reaction

(b) Wurtz reaction

(c) Rosenmund’s reaction

(d) Reimer-Tieman reaction

Answer

1. (a)	2. (b)	3. (d)	4. (b)	5. (d)
6. (c)	7. (c)	8. (c)	9. (c)	10. (a)