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This quiz contains 10 questions from a mix of 1 subtopics.

Which of the following is the general formula for primary amines?

R3N

R4N+

R2NH

RNH2

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What type of amine is formed when two hydrogen atoms in ammonia are replaced by alkyl or aryl groups?

quaternary ammonium ion

primary amine

secondary amine

tertiary amine

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Which of the following statements about aromatic amines is true?

they do not possess a lone pair of electrons

they contain a nitrogen atom directly bonded to a benzene ring

they are stronger bases than aliphatic amines

they have a higher electron density on the nitrogen atom compared to aliphatic amines

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Which of the following is responsible for the basic properties of amines?

the lone pair of electrons on the nitrogen atom

the alkyl or aryl groups attached to the nitrogen atom

the presence of a benzene ring in aromatic amines

the positive charge on the nitrogen atom in quaternary ammonium ions

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How does the delocalisation of the lone pair of electrons in aromatic amines affect their basicity?

it makes them more nucleophilic than aliphatic amines

it has no effect on their basicity

it decreases their basicity compared to aliphatic amines

it increases their basicity compared to aliphatic amines

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Which of the following is the correct order of increasing basicity for amines?

primary aromatic amines < ammonia < primary aliphatic amines

ammonia < primary aromatic amines < primary aliphatic amines

primary aliphatic amines < primary aromatic amines < ammonia

primary aliphatic amines < ammonia < primary aromatic amines

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What type of bond is formed when an amine accepts a proton (H+ ion)?

coordinate bond

amide bond

hydrogen bond

ionic bond

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What makes amines nucleophilic?

the positive charge on the nitrogen atom

the presence of alkyl or aryl groups

the presence of a benzene ring in aromatic amines

the lone pair of electrons on the nitrogen atom

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Aliphatic amines are basic than ammonia (NH3) due to the presence of alkyl groups, which the electron density on the nitrogen atom, thereby making the lone pair of electrons available for proton acceptance.

more
increase
more

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Amines are organic compounds derived from by replacing one or more hydrogen atoms with alkyl or aryl groups.

ammonia

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