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Balbharati solutions for Chemistry 12th Standard HSC for Maharashtra State Board chapter 13 - Amines [Latest edition]

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Balbharati solutions for Chemistry 12th Standard HSC for Maharashtra State Board chapter 13 - Amines - Shaalaa.com
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Chapter 13: Amines

Exercises
Exercises [Pages 296 - 297]

Balbharati solutions for Chemistry 12th Standard HSC for Maharashtra State Board Chapter 13 Amines Exercises [Pages 296 - 297]

Exercises | Q 1.01 | Page 296

Choose the most correct option.

The hybridisation of nitrogen in primary amine is ____________.

  • sp

  • sp2

  • sp3

  • sp3d

Exercises | Q 1.02 | Page 296

Choose the most correct option.

Isobutylamine is an example of __________.

  • 2° amine

  • 3° amine

  • 1° amine

  • quaternary ammonium salt

Exercises | Q 1.03 | Page 296

Choose the most correct option.

Which one of the following compounds has the highest boiling point?

  • n-Butylamine

  • sec-Butylamine

  • isobutylamine

  • tert-Butylamine

Exercises | Q 1.04 | Page 296

Choose the most correct option.

Which of the following has the highest basic strength?

  • Trimethylamine

  • Methylamine

  • Ammonia

  • Dimethylamine

Exercises | Q 1.05 | Page 296

Choose the most correct option.

Which type of amine does produce N2 when treated with HNO2?

  • Primary amine

  • Secondary amine

  • Tertiary amine

  • Both primary and secondary amines

Exercises | Q 1.06 | Page 296

Choose the most correct option.

Carbylamine test is given by ____________.

  • Primary amine

  • Secondary amine

  • Tertiary amine

  • Both secondary and tertiary amines

Exercises | Q 1.07 | Page 296

Choose the most correct option.

Which one of the following compounds does not react with acetyl chloride?

  • CH3 - CH2 - NH2

  • (CH3 - CH2)2NH

  • (CH3 - CH2)3N

  • C6H5 - NH2

Exercises | Q 1.08 | Page 296

Choose the most correct option.

Which of the following compounds will dissolve in aqueous NaOH after undergoing reaction with Hinsberg reagent?

  • Ethylamine

  • Triethylamine

  • Trimethylamine

  • Diethylamine

Exercises | Q 1.09 | Page 296

Choose the most correct option.

Identify ‘B’ in the following reactions

\[\ce{CH3 - C ≡ N ->[Na/C2H5OH] A ->[NaNO2/dilHCl]B}\]

  • CH3 - CH2 - NH2

  • CH3 - CH2 - NO2

  • CH3 - CH2N2+Cl-

  • CH3 - CH2 - OH

Exercises | Q 1.1 | Page 296

Choose the most correct option.

Which of the following compounds contains azo linkage?

  • Hydrazine

  • p-Hydroxyazobenzene

  • N-Nitrosodiethylamine

  • Ethylenediamine

Exercises | Q 2.01 | Page 296

Answer in one sentence.

Write the reaction of p-toluenesulphonyl chloride with diethylamine.

Exercises | Q 2.02 | Page 296

Answer in one sentence.

How many moles of methylbromide is required to convert ethanamine to N, N-dimethyl ethanamine?

Exercises | Q 2.03 | Page 297

Answer in one sentence.

Which amide does produce ethanamine by Hofmann bromamide degradation reaction?

Exercises | Q 2.04 | Page 297

Answer in one sentence.

Write the order of the basicity of aliphatic alkylamine in the gaseous phase.

Exercises | Q 2.05 | Page 297

Answer in one sentence.

Why are primary aliphatic amines stronger bases than ammonia?

Exercises | Q 2.06 | Page 297

Answer in one sentence.

Predict the product of the following reaction.

\[\ce{Nitrobenzene ->[Sn/conc.HCl]?}\]

Exercises | Q 2.07 | Page 297

Answer in one sentence.

Write the IUPAC name of benzylamine.

Exercises | Q 2.08 | Page 297

Answer in one sentence.

Arrange the following amines in increasing order of boiling points.

n-propylamine, ethylmethyl amine, trimethylamine.

Exercises | Q 2.09 | Page 297

Answer in one sentence.

Write the balanced chemical equations for the action of dil H2SO4 on diethylamine.

Exercises | Q 2.1 | Page 297

Answer in one sentence.

Arrange the following amines in the increasing order of their pKb values.

Aniline, Cyclohexylamine, 4-Nitroaniline

Exercises | Q 3.01 | Page 297

Answer the following

Identify A and B in the following reactions.

\[\ce{C6H5CH2Br->[alco.][KCN]A ->[Na/ethanol]B.}\]

Exercises | Q 3.02 | Page 297

Explain the basic nature of amines with a suitable example.

Exercises | Q 3.03 | Page 297

Answer the following

What is diazotisation ? 

Exercises | Q 3.03 | Page 297

Answer the following

Write diazotisation reaction of aniline?

Exercises | Q 3.04 | Page 297

Answer the following

Write a reaction to convert acetic acid into methylamine.

Exercises | Q 3.05 | Page 297

Answer the following

Write a short note on coupling reactions.

Exercises | Q 3.06 | Page 297

Answer the following

Explain Gabriel phthalimide synthesis.

Exercises | Q 3.07 | Page 297

Answer the following

Explain carbylamine reaction with suitable examples.

Exercises | Q 3.08 | Page 297

Answer the following

Write a reaction to convert methanamine into ethanamine.

Exercises | Q 3.08 | Page 297

Answer the following

Write a reaction to convert Aniline into p-bromoaniline.

Exercises | Q 3.09 | Page 297

Answer the following

Complete the following reaction :

`"C"_6"H"_5"N"_2^+"Cl"^-` + C2H5OH → 

Exercises | Q 3.09 | Page 297

Answer the following

Complete the following reaction :

\[\ce{C6H5NH2 + Br2_{(aq)} -> ?}\]

Exercises | Q 3.1 | Page 297

Answer the following

Explain the ammonolysis of alkyl halides.

Exercises | Q 3.11 | Page 297

Answer the following

Write a reaction to convert ethylamine into methylamine.

Exercises | Q 4.1 | Page 297

Answer the following.

Write the IUPAC name of the following amine :

\[\begin{array}{cc}
\ce{CH3 - CH2 - N - CH2 - CH2 - CH3}\\
|\phantom{........}\\
\ce{CH3\phantom{......}}
\end{array}\]

Exercises | Q 4.1 | Page 297

Answer the following.

Write the IUPAC name of the following amine :

\[\begin{array}{cc}\\
\ce{CH3}\phantom{...........}\\
|\phantom{..............}\\
\ce{CH3 - C - CH2 - CH2 - NH2}\\
|\phantom{..............}\\
\ce{CH3\phantom{...........}}
\end{array}\]

Exercises | Q 4.1 | Page 297

Answer the following.

Write the IUPAC name of the following amine :

\[\begin{array}{cc}\\
\ce{CH3 - CH - NH - CH2 - CH3}\\
|\phantom{...............}\\
\ce{CH3\phantom{............}}
\end{array}\]

Exercises | Q 4.2 | Page 297

What are amines?

Exercises | Q 4.2 | Page 297

How are amines classified?

Exercises | Q 4.3 | Page 297

Answer the following.

Write the IUPAC name of the following amine.

H2N-(CH2)6 - NH2

Exercises | Q 4.3 | Page 297

Answer the following.

Write the IUPAC name of the following amine.

Exercises | Q 4.3 | Page 297

Answer the following.

Write the IUPAC name of the following amine.

Exercises | Q 4.4 | Page 297

Answer the following.

Write reactions to prepare ethanamine from Acetonitrile.

Exercises | Q 4.4 | Page 297

Answer the following.

Write a reaction to prepare ethanamine from Nitroethane

Exercises | Q 4.4 | Page 297

Answer the following.

Write a reaction to prepare ethanamine from Propionamide.

Exercises | Q 4.5 | Page 297

Answer the following.

What is the action of acetic anhydride on ethylamine?

Exercises | Q 4.5 | Page 297

Answer the following.

What is the action of acetic anhydride on diethylamine?

Exercises | Q 4.5 | Page 297

Answer the following.

What is the action of acetic anhydride on triethylamine?

Exercises | Q 4.6 | Page 297

Answer the following.

Distinguish between ethylamine, diethylamine, and triethylamine by using Hinsberg’s reagent?

Exercises | Q 4.7 | Page 297

Answer the following.

Write a reaction to bring about the following conversions: Aniline into p-nitroaniline

Exercises | Q 4.7 | Page 297

Answer the following.

Write a reaction to bring about the following conversions: Aniline into sulphanilic acid?

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Chapter 13: Amines

Exercises
Balbharati solutions for Chemistry 12th Standard HSC for Maharashtra State Board chapter 13 - Amines - Shaalaa.com

Balbharati solutions for Chemistry 12th Standard HSC for Maharashtra State Board chapter 13 - Amines

Balbharati solutions for Chemistry 12th Standard HSC for Maharashtra State Board chapter 13 (Amines) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Maharashtra State Board Chemistry 12th Standard HSC for Maharashtra State Board solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. Balbharati textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Chemistry 12th Standard HSC for Maharashtra State Board chapter 13 Amines are Classification of Amines, Nomenclature of Amines, Preparation of Amines, Physical Properties of Amines, Basicity of Amines, Chemical Properties of Amines, Reactions of Arene Diazonium Salts, Reaction with Arenesulfonyl Chloride, Electrophilic Aromatic Substitution in Aromatic Amines.

Using Balbharati 12th Board Exam solutions Amines exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Balbharati Solutions are important questions that can be asked in the final exam. Maximum students of Maharashtra State Board 12th Board Exam prefer Balbharati Textbook Solutions to score more in exam.

Get the free view of chapter 13 Amines 12th Board Exam extra questions for Chemistry 12th Standard HSC for Maharashtra State Board and can use Shaalaa.com to keep it handy for your exam preparation

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