Q16 of 23 Page 157

What is the function of conc.H2SO4 in the formation of ethene from ethanol?

Concentrated sulphuric acid (conc.H2SO4) acts as a dehydrating agent in the conversion from ethanol to ethene. It helps in removing water molecule (more specifically, the –OH group from one carbon and –H from the other carbon) in the following reaction.


More from this chapter

All 23 →
14

Write the IUPAC name of

(i) CH3COCH2CH3


(ii)


(iii) HCOOH


(iv) CH3COOCH3

15

Which property of ethanol makes it suitable for preparing medicines such as tincture of iodine, cough syrups and other tonics?

 17

Why are carboxylic acids called weak acids? Name the alcohol which produces methanoic acid on oxidation.

 18

Complete the following reactions:

(i) CH3COOH + NaOH →


(ii)


(iii) CH3OH + O2


(iv) CH2 = CH2 + Br →


(v) CH3COOC2H5 + NaOH →


(vi) CH2 = CH2 + H2O