(a) How do the boiling point and melting point change in the homologous series of alcohols?
(b) Name the product formed when ethanol reacts with acetic acid. Give an equation.
(c) What is the name given to this type of reaction?

[3 MARKS]

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Solution

Each part: 1 Mark

(a) The melting and boiling points increase with the increase in molecular masses (lower to higher members) in a homologous series.

(b) Name of the product: Ethyl acetate
$C_{2} H_{5} O H E t h y l a l c o h o l C H_{3} C O O H A c e t i c a c i d c o n c . H_{2} S O_{4} . Δ ⇌ C H_{3} C O O C_{2} H_{5} E t h y l a c e t a t e + H_{2} O$

(c) Name of the reaction: Esterification.

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Similar questions

Q. Name:

(a) The compound formed when acetic acid and ethanol react together

(b) The reducing agent used to convert acetic acid to ethanol.

(c) The substance used to change acetic acid to acetic anhydride.

[3 MARKS]

Q. Ethanoic acid is a member of homologous series with general formula

C_{n} H_{2 n + 1} C O O H

.
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.

H_{2} S O_{4}

, 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?

Q. Some reaction regarding the production of ethanol are given below.

C_{12} H_{22} O_{11} I n v e r t a s e - ----- \to C_{6} H_{12} O_{6} + . . . A . . .

A Z y m a s e - ---- \to B + 2 C O_{2}

Write the name of the ester formed when the product

B

reacts with propanoic acid.

Q. (a) Ethanoic acid reacts with ethanol in the presence of concentrated

H_{2} {S O}_{4}

.
(i) Name the organic product formed.
(ii) Give the name of the reaction.
(iii) What is the role of

H_{2} {S O}_{4}

in the above reaction?
(b) The molecular formula of an organic compound is

{C H}_{3} C O O H

.
(i) Write the IUPAC name of this compound.
(ii) Give one use of this compound.

Name the products formed and give appropriate chemical equations for the following :
(a) Sodium reacting with ethyl alcohol.
(b) Ethanol oxidised by acidified potassium dichromate.

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(a) How do the boiling point and melting point change in the homologous series of alcohols? (b) Name the product formed when ethanol reacts with acetic acid. Give an equation. (c) What is the name given to this type of reaction? [3 MARKS]

(a) How do the boiling point and melting point change in the homologous series of alcohols?
(b) Name the product formed when ethanol reacts with acetic acid. Give an equation.
(c) What is the name given to this type of reaction?

[3 MARKS]