Question Bank No: 2

1. Conversion of ethyl alcohol into acetaldehyde is an example of

 a)reduction
 b)molecular rearrangement
 c)hydrolysis
 d)oxidation

2. Which one has highest boiling point?

 a)Butan-2-ol
 b)Ethane
 c)Butane
 d)Pentane

3. Which of the following statements is correct?

 a)phenol is less acidic than ethyl alcohol
 b)phenol is more acidic than ethanol
 c)phenol is more acidic than carbonic acid
 d)phenol is more acidic than CH3COOH

4. Which of the following does not give yellow ppt.with I2/NaOH?

 a)C2H5OH
 b)CH3CHO
 c)CH3COCH3
 d)HCHO

5. Which of the following compound does not react with metallic sodium?

 a)CH3CH(OH)CH3
 b)CH3−O−CH3
 c)CH3COOH
 d)C2H5OH

6. C2H5OH can be differentiated from CH3OH by

 a)reaction with HCl
 b)reaction with NH3
 c)Iodoform test
 d)solubility in water

7. Which of the following groups will increase the acidity of phenol?

 a)−NO2
 b)−CN
 c)−X(halogens)
 d)all

8. Primary and secondary alcohols on action of red hot copper give

 a)aldehydes and ketons respectively
 b)ketones and aldehydes respectively
 c)only aldehydes
 d)only ketones

9. Which of the following can work as a dehydrating agent for alcohols?

 a)H2SO4
 b)Al2O3
 c)H3PO4
 d)all

10. Glycerol is a

 a)primary alcohol
 b)monohydric alcohol
 c)secondary alcohol
 d)trihydric alcohol

11. Ethanol containing some methanol is called

 a)absolute spirit
 b)rectified spirit
 c)power alcohol
 d)methylated spirit