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Biblioteka

3.9 Carboxylic Acids and Derivatives

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Posljednje ažuriranje 15 days ago
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Pitanje 1
1.

Give the general equation of the reduction of ethanoic acid to an aldehydes.

Pitanje 2
2.

Define a weak acid

Pitanje 3
3.

Draw the intermolecular interactions between molecules of methanoic acid

Pitanje 4
4.

What is product between propanoic acid and sodium?

Pitanje 5
5.

What is the reaction between chloroethanoic acid and sodium carbonate

Pitanje 6
6.

Draw and name the product between ethanoic acid and ethanol with a strong acid catalyst.

1
Pitanje 7
7.

Name this compound

3.3.9.1
Pitanje 8
8.

Predict which one of the compounds, propan-1-ol, propanal and propanoic acid will have the highest boiling point. Explain your answer.

Pitanje 9
9.

Esters have many important commercial uses such as solvents and artificial flavourings in foods.

Esters can be prepared in several ways including the reactions of alcohols with carboxylic acids, acid anhydrides, acyl chlorides and other esters.

Ethyl butanoate is used as a pineapple flavouring in sweets and cakes.

Write an equation for the preparation of ethyl butanoate from an acid and an alcohol.

Give a catalyst used for the reaction

(teacher note: carbox 3 #4)

Pitanje 10
10.

Name all the products for: propanoic acid + NaOH

Pitanje 11
11.

Name all the products for: ethanoic acid + NH3

Pitanje 12
12.

Name all the products for: methanoic acid + Na2CO3

Pitanje 13
13.

Name all the products for: ethanoic acid + Mg

Pitanje 14
14.

Name all the products for: propanoic acid + methanol

Pitanje 15
15.

Name all the products for: methanoic acid + propan-2-ol

Pitanje 16
16.

Draw the equation and products of methyl ethanoate with water, an acid catalyst, and under reflux

Pitanje 17
17.

Draw the equation and products of methyl ethanoate with sodium hydroxide, under reflux.

2
Pitanje 18
18.
3.3.9.1
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Pitanje 19
19.
3.3.9.1
Pitanje 20
20.

Write the names of the organic product formed in the four similar reactions of propanoyl chloride with water, methanol, ammonia and methylamine

Pitanje 21
21.

Write an equation for butanoyl chloride reacting with propan-1-ol and ethylamine

Pitanje 22
22.

Complete the following equation:

CH3CH2COCl + CH3CH2CH2NH2 -->

Pitanje 23
23.

Write an equation for the reaction between ethanoyl chloride and water. Show that this is an example of hydrolysis.

Pitanje 24
24.

Write an equation for the formation of ethanamide from ethanoyl chloride to show why two moles of ammonia are required for the reaction with one mole of the acylchloride

Pitanje 25
25.

The ester propyl propanoate can be prepared by reacting propan-1-ol with either propanoic acid or propanoyl chloride. Write an equation for each method and discuss any advantages and disadvantages of using propanoyl chloride