Which type of compound cannot be a monomer in the formation of polyamides?
amides
amino acids
diacyl chlorides
diamines
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Which type of compound cannot be a monomer in the formation of polyamides?
amides
amino acids
diacyl chlorides
diamines
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What is the name of the compound shown?
1-methylpropanamide
3-methylpropanamide
2-methylbutanamide
3-methylbutanamide
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Which sequence shows these compounds in order of decreasing basicity?
C6H5NH2 > CH3CH2CH2NH2 > NH3
NH3 > CH3CH2CH2NH2 > C6H5NH2
CH3CH2CH2NH2 > NH3 > C6H5NH2
C6H5NH2 > NH3 > CH3CH2CH2NH2
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Alanine is an amino acid.
London forces
hydrogen bonds
covalent bonds
ionic bonds
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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?
butylamine, phenylamine, ammonia
ammonia, butylamine, phenylamine
phenylamine, ammonia, butylamine
ammonia, phenylamine, butylamine
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Which amine could not be prepared by the reduction of a nitrile?
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The repeat unit of a polymer is shown.
What is the structure of the monomer?
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How many different amino acids form the repeat unit of the polymer shown?
3
4
5
6
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The repeat unit of a polymer is shown.
This polymer could be
both a polypeptide and a polyamide
neither a polypeptide nor a polyamide
a polypeptide but not a polyamide
a polyamide but not a polypeptide
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Which reagent reacts at room temperature with methylamine, CH3NH2, to form the compound N-methylethanamide?
CH3COCH3
CH3COOH
CH3COOCH3
CH3COCl
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