Carboxylic Acids and their Derivertives

Question 1

How do you form an acid from a Nitrile?

Answer 1

Hydrolyse with acid

Question 2

How do you form an acid from a primary alcohol?

What colour change is involved?

Answer 2

Acidified Dichromate

Orange → Green

Question 3

What reagent is needed to go from an acid to an acid chloride?

Answer 3

PCl₅

Question 4

What reagent is needed to go from an acid to an ester?

Answer 4

Alcohol and Sulfuric Acid Catalyst

Question 5

What reagent is needed to go from an acid to an Amide

Answer 5

Concentrated Ammonia

Question 6

What reagent is needed to go from an acid to an Anhydride?

Answer 6

P₄O₁₀

Question 7

What reagent is needed to go from an acid to an alcohol?

Answer 7

LiAlH₄ in ether

Question 8

What reagent is needed to go from an acid to an alkane? What is this process called?

Answer 8

Soda Lime

Decarboxylation

Question 9

What is the test for an acid? Give expected observations

Answer 9

Add Na₂CO₃

Effervesence of CO₂

Question 10

How do you retain the aldehyde when oxidising a Primary alcohol?

Answer 10

Distillation

Question 11

If you oxidise Propylbenzene what product would you get?

Include any reagents

Answer 11

MnO₄^-/OH^-

Dil. H₂SO₄