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CAIE A-Level Chemistry 19 Nitrogen Compounds

Practise preparing amines and nitriles, forming hydroxynitriles and hydrolysing nitriles to carboxylic acids.

Syllabus
2028–2030
Course
Chemistry 9701
Level
AS

Covered syllabus points

19.1 Primary amines19.2 Nitriles and hydroxynitriles

19. Nitrogen compounds question 1

[Maximum number: 1]

Compounds P, Q and R have all been found in the atmosphere of one of Saturn's moons.
P

Figure for Question 19. Nitrogen compounds question 1 — CAIE A-Level Chemistry AS
Q

Q

R

R

The flow chart shows some reactions of R.

R

Figure for Question 19. Nitrogen compounds question 1 — CAIE A-Level Chemistry AS
Figure for Question 19. Nitrogen compounds question 1 — CAIE A-Level Chemistry AS
CH3CH2CH2NH2\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{NH}_{2}

T can also be formed by the reaction of CH3CH2CH2Br\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{Br} with ammonia.

State the necessary conditions of this reaction.

19. Nitrogen compounds question 2

[Maximum number: 2]

Compounds P and Q are structural isomers.

Fig. 4.1

Fig. 4.1

Question (a)

(a)

Fig. 4.3 shows a synthesis starting from T, a different isomer of R and S.

Fig. 4.3

Fig. 4.3

[ 2 ]

Question (i)

(i)

Identify the reagent and conditions for reaction 1.

[ 1 ]

Question (ii)

(ii)

Reaction 2 is a hydrolysis reaction.

Construct an equation for reaction 2 .
(C2H5)2CHCN\left(\mathrm{C}_{2} \mathrm{H}_{5}\right)_{2} \mathrm{CHCN}

[ 1 ]
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