Question Bank No: 1

1. Which of the following reagents can provide distinction between actic acid and formic acid?

 a)Na
 b)NaNH2
 c)dil. Acidic KMnO4
 d)2, 4 DNP

2. Which acid derivative react with hydroxyl amine to produce hydroxamic acid?

 a)Esters
 b)Acid chloride
 c)both (a) and (b)
 d)None of these

3. Acetamide and nitrous acid react to form

 a)CH3NH2 and N2
 b)CH3OH and NH3
 c)CH3COOH and N2
 d)CO2CH3NH2

4. Which of the following is strongest reducing agent?

 a)Benzoic acid
 b)acetic acid
 c)isobutyric acid
 d)methanoic acid

5. Acid chlorides react with Grignard's reagent to form

 a)Alcohols
 b)Esters
 c)Aldehydes
 d)Ketones

6. When ketene is passed through glacial acetic acid.Which of the following product is formed?

 a)Ethyl acetate
 b)Ethanoic anhydride
 c)Propanoic acid
 d)Pyruvic acid

7. Which of the following reagent will distinguish between two functional isomers of formula C2H4O2?

 a)NaHCO3
 b)CuSO4
 c)C2H5Cl
 d)All of the above

8. Among the following acids which has the lowest pKavalue?

 a)CH3CH2COOH
 b)(CH3)2CH−COOH
 c)HCOOH
 d)CH3COOH

9. An ester on treatment with excess of ethyl magnesium iodide and subsequent hydrolysis produces pentan-3-ol.The ester could be

 a)Ethyl formate
 b)methylethanoate
 c)ethyl acetate
 d)ethyl propionate

10. Which carboxylic acid will show HVZ reaction?

 a)Propionic acid
 b)Trichloroethanoic acid
 c)Triphenyl acetic acid
 d)2,2-dimethyl propanoic acid

11. Rate of esterification is highest for the acid

 a)CH3(CH2)2COOH
 b)(CH3)2CHCOOH
 c)CH3COOH
 d)Cl(CH2)4COOH

12. Which acid has lowest value of pKa?

 a)p-Methoxybenzoic acid
 b)p-Chlorobenzoic acid
 c)p-Aminobenzoic acid
 d)p-Toluic acid

13. Acetamide produces 10amone with

 a)NaOH
 b)HCl
 c)NaOH/Br2
 d)HgO

14. Which of the following cannot produce acetyl chloride?

 a)(CH3COO)2CaandSO2Cl2
 b)CH3COOHandSOCl2
 c)CH3COONaandPOCl3
 d)CH3COOHandHCl

15. Which of the following can provide distinction between formic acid and acetic acid?

 a)Litmus solution
 b)Alcoholic AgNO3
 c)Sodium bicarbonate
 d)Diammine silver (1)hydroxide solution

16. Which of the following acid has highest tendency to ionise in aqueous solution?

 a)HCOOH
 b)CH3COOH
 c)FCH2COOH
 d)BrCH2COOH

17. Which reagent can convert α- chloroacetic acid to 2-chloroacetic chloride?

 a)HCl
 b)PCl5
 c)Cl2
 d)MnCl2

18. Benzene can be produced by soda lime decarboxylation of

 a)Phenol
 b)Sodium phenate
 c)Sodium benzoate
 d)Sodium salicylate

19. Among ethanol(1),acetic acid(11),phenol,(111) and benzoic acid(1V),the correct order of increasing acid strength is

 a)1<11<111<1V
 b)1<111<11<1V
 c)1<111<1V<11
 d)111<1V<1<11

20. When a bee bites,its infects mainly:

 a)Formic acid
 b)Acetic acid
 c)Carbonic acid
 d)HCI acid