11 markmedium
Which type of compound cannot be a monomer in the formation of polyamides?
Choose your answer
amides
amino acids
diacyl chlorides
diamines
Chemistry
Organic Chemistry: Nitrogen Compounds — Multiple-Choice Questions (Edexcel IAL Chemistry): Exam Questions
Exam code:YCH1117 questions · 18 marks · ≈ 18 min
21 markmedium
What is the name of the compound shown?
Choose your answer
1-methylpropanamide
3-methylpropanamide
2-methylbutanamide
3-methylbutanamide
31 markmedium
Which sequence shows these compounds in order of decreasing basicity?
Choose your answer
C6H5NH2 > CH3CH2CH2NH2 > NH3
NH3 > CH3CH2CH2NH2 > C6H5NH2
CH3CH2CH2NH2 > NH3 > C6H5NH2
C6H5NH2 > NH3 > CH3CH2CH2NH2
42 marksmedium
(a)
Alanine is an amino acid.
Which structure best represents alanine at high pH?
Choose your answer
(b)
Alanine is a crystalline solid at room temperature.
What are the main forces broken when alanine melts?
Choose your answer
London forces
hydrogen bonds
covalent bonds
ionic bonds
51 markmedium
Separate 0.1 mol dm−3 aqueous solutions of ammonia, butylamine and phenylamine were prepared.
Which of the following sequences shows the solutions in order of increasing pH?
Choose your answer
butylamine, phenylamine, ammonia
ammonia, butylamine, phenylamine
phenylamine, ammonia, butylamine
ammonia, phenylamine, butylamine
61 markmedium
Which amine could not be prepared by the reduction of a nitrile?
Choose your answer
71 markmedium
The repeat unit of a polymer is shown.
What is the structure of the monomer?
Choose your answer
81 markmedium
How many different amino acids form the repeat unit of the polymer shown?
Choose your answer
3
4
5
6
91 markmedium
The repeat unit of a polymer is shown.
This polymer could be
Choose your answer
both a polypeptide and a polyamide
neither a polypeptide nor a polyamide
a polypeptide but not a polyamide
a polyamide but not a polypeptide
101 markmedium
Which of these correctly lists ammonia, butylamine and phenylamine in order of increasing base strength?
Choose your answer
Ammonia < butylamine < phenylamine
Ammonia < phenylamine < butylamine
Phenylamine < ammonia < butylamine
Phenylamine < butylamine < ammonia
111 markmedium
Which of these correctly shows the reagents and conditions for the diazotisation of phenylamine (C6H5NH2)?
| Reagents | Temperature | |
|---|---|---|
| A | NaNO2, dilute HCl | Below 10°C |
| B | NaNO3, dilute HCl | Below 10°C |
| C | NaNO2, dilute HCl | Above 10°C |
| D | NaNO2, dilute NaOH | Below 10°C |
Choose your answer
121 markmedium
The structure of the amino acid glycine is shown.
Glycine has an isoelectric point of 6.0. Which species is the predominant form of glycine at pH 6?
Choose your answer
H2NCH2COOH
H3N+CH2COO-
H3N+CH2COOH
H2NCH2COO-
131 markmedium
Ethanamide, CH3CONH2, is heated under reflux with excess dilute hydrochloric acid. Which products are formed?
Choose your answer
CH3COOH and NH4Cl
CH3COOH and NH3
CH3COO- and NH4Cl
CH3COO- and NH3
141 markmedium
A section of a polyamide is shown.
Which monomers were used to produce this polymer?
Choose your answer
H2N(CH2)6NH2 and HOOC(CH2)4COOH
H2N(CH2)6NH2 and HOOC(CH2)6COOH
H2N(CH2)6COOH and H2N(CH2)4COOH
HOOC(CH2)6COOH and H2N(CH2)4NH2
151 markmedium
The structure of threonine is shown.
How many chiral centres does threonine contain?
Choose your answer
0
1
2
4
161 markhard
Which reagent reacts at room temperature with methylamine, CH3NH2, to form the compound N-methylethanamide?
Choose your answer
CH3COCH3
CH3COOH
CH3COOCH3
CH3COCl
171 markhard
Which reaction produces a secondary amine as the major organic product?
Choose your answer
CH3Br + excess NH3(aq) →
CH3CH2CN + LiAlH4, then H3O+ →
CH3CONH2 + LiAlH4, then H3O+ →
Excess CH3NH2 + CH3CH2Br →