Complete the following table:

C_nH_2n+2 is the general formula of a homologous series of hydrocarbons.

i) Is this series saturated or unsaturated?

ii) Name the series described above. Give the formula and name of the member with two carbon atoms.

iii) Draw the structural formula of the first member of this series.

iv) Define the homologous series and find the common difference between the successive members of this family.

v) Write the formula of n-butane and n-pentane.

Ethanol is heated with excess concentrated H₂SO₄ at 443K.

i) Name the reaction that occurs and explain it.

ii) Write the equation for the above reaction.

iii) What is the product formed? What happens when this gas is passed through bromine water?

iv) When ethanol vapour is passed through bromine water, why does no change occur?

Ethanoic acid is a member of Homologous series with general formula

C_nH_2n+1 COOH.

i) Name the series and give its functional group.

ii) Give the molecular formula and the common name of ethanoic acid.

iii) If this compound is mixed with ethanol in the presence of Conc.H₂SO₄, a sweet smelling compound is formed. Give the equation and name the compound.

iv) Ethanoic acid reacts with carbonates. Which gas is liberated during this reaction?

v) Write the balanced equation for the reaction of ethanoic acid with carbonate.

vi) Your grandmother has prepared mango pickle. What has she added to preserve it for a long time?

i) Identify A & B.

ii) Convert ethanol into power alcohol. Mention one of its uses.

iii) What should be added to obtain denatured spirit?

iv) Give one use of denatured spirit.