Amines
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Structure and Classification
SubtopicStructure and Classification under Amines for Grade 12 CBSE.
Preview questions (no answers)
- 1.
Which of the following is not a classification of amines?
A.Primary
B.Secondary
C.Tertiary
D.Pentary
- 2.
The hybridization of the carbon atom attached to the nitrogen in is:
A.B.C.D. - 3.
Which of the following is the common name for Propan-2-amine?
A.n-Propylamine
B.Isopropylamine
C.Ethylmethylamine
D.Dimethylamine
Download the worksheet for Amines - Structure and Classification to practice offline. It includes additional chapter-level practice questions.
Nomenclature and Preparation
SubtopicNomenclature and Preparation under Amines for Grade 12 CBSE.
Preview questions (no answers)
- 1.
What is the IUPAC name for the amine ?
A.Butan-1-amine
B.Butan-2-amine
C.Propan-1-amine
D.Pentanamine
- 2.
The Gabriel phthalimide synthesis involves the reaction of potassium phthalimide with which class of compounds?
A.Alcohols
B.Alkyl halides
C.Aldehydes
D.Phenols
- 3.
Which type of amine is N,N-Dimethylaniline?
A.Primary aromatic amine
B.Secondary aromatic amine
C.Tertiary aromatic amine
D.Quaternary ammonium salt
Download the worksheet for Amines - Nomenclature and Preparation to practice offline. It includes additional chapter-level practice questions.
Physical and Chemical Properties
SubtopicPhysical and Chemical Properties under Amines for Grade 12 CBSE.
Preview questions (no answers)
- 1.
Which type of amine forms a sulfonamide that is soluble in ?
A.Primary
B.Secondary
C.Tertiary
D.Quaternary
- 2.
Benzenediazonium chloride reacts with fluoroboric acid () to produce a precipitate which on heating gives:
A.Fluorobenzene
B.Chlorobenzene
C.Benzene
D.Nitrobenzene
- 3.
Which of the following statements about benzenediazonium chloride is true?
A.It is a colorless crystalline solid
B.It is highly stable at boiling temperature
C.It is insoluble in water
D.It is a liquid at room temperature
Download the worksheet for Amines - Physical and Chemical Properties to practice offline. It includes additional chapter-level practice questions.
Method of Preparation of Diazonium Salts
SubtopicMethod of Preparation of Diazonium Salts under Amines for Grade 12 CBSE.
Preview questions (no answers)
- 1.
What is the primary product of the reaction between aniline and nitrous acid at room temperature ()?
A.Benzenediazonium chloride
B.Phenol
C.Nitrobenzene
D.Chlorobenzene
- 2.
Nitrous acid () is not stable and is therefore:
A.Stored in pressurized cylinders
B.Prepared in situ from and a mineral acid
C.Used as a solid salt
D.Never used in chemistry
- 3.
Which of the following salts is formed when p-nitroaniline undergoes diazotization with ?
A.p-Nitrobenzenediazonium chloride
B.p-Nitrophenol
C.Nitrobenzene
D.p-Nitroaniline hydrochloride
Download the worksheet for Amines - Method of Preparation of Diazonium Salts to practice offline. It includes additional chapter-level practice questions.
Importance of Diazonium Salts in Synthesis of Aromatic Compounds
SubtopicImportance of Diazonium Salts in Synthesis of Aromatic Compounds under Amines for Grade 12 CBSE.
Preview questions (no answers)
- 1.
Which property of the molecule makes the replacement of the diazonium group by other functional groups favorable?
A.High solubility in water
B.High bond enthalpy and stability as a gas
C.Low boiling point
D.High reactivity
- 2.
The Sandmeyer reaction is used for the introduction of which groups into the benzene ring?
A.B.C.D. - 3.
Which of the following ions acts as an electrophile in the azo coupling reaction?
A.Phenoxide ion
B.Diazonium cation
C.Chloride ion
D.Hydroxide ion
Download the worksheet for Amines - Importance of Diazonium Salts in Synthesis of Aromatic Compounds to practice offline. It includes additional chapter-level practice questions.