Read and download free pdf of CBSE Class 12 Chemistry Amines Assignment. Get printable school Assignments for Class 12 Chemistry. Class 12 students should practise questions and answers given here for Unit 13 Amines Chemistry in Class 12 which will help them to strengthen their understanding of all important topics. Students should also download free pdf of Printable Worksheets for Class 12 Chemistry prepared as per the latest books and syllabus issued by NCERT, CBSE, KVS and do problems daily to score better marks in tests and examinations
Assignment for Class 12 Chemistry Unit 13 Amines
Class 12 Chemistry students should refer to the following printable assignment in Pdf for Unit 13 Amines in Class 12. This test paper with questions and answers for Class 12 Chemistry will be very useful for exams and help you to score good marks
Unit 13 Amines Class 12 Chemistry Assignment
a) In decreasing order of the pKb values:
Ans: C6H5NH2>C6H5NHCH+>C2H5NH2>(C2H5)2NH
b) In increasing order of basic strength:
C6H5NH2, C6H5N(CH3)2, (C2H5)2NH and CH3NH2
Ans: C6H5NH2<C6H5N(CH3)2< CH3NH2<(C2H5)2NH
c) In increasing order of basic strength:
a) Aniline, p-nitroniline and p-toluidine
b) C6H5NH2 , C6H5NHCH3, C6H5CH2NH2
Ans: a)p-nitroaniline<aniline<p-toluidine
b)C6H5NH2<C6H5NHCH3<C6H5CH2NH2
d) In decreasing order of basic strength in gas phase:
C2H5NH2, (C2H5)2NH, (C2H5)3N and NH3
Ans: (C2H5)3N>(C2H5)2NH> C2H5NH2> NH3
e) In increasing order of boiling point:
C2H5OH, (CH3)2NH, C2H5NH2
Ans: (CH3)2NH< C2H5NH2< C2H5OH
f) In increasing order of solubility in water:
C6H5NH2, (C2H5)2NH, C2H5NH2
Ans: C6H5NH2<(C2H5)2NH< C2H5NH2
4) Write short notes on the following:
i) Carbylamine reaction :All primary amines on heating with chloroform and an alcoholic solution of potassium hydroxide produce isocyanide
ii)Diazotisation:The conversion of aniline or other aromatic primary amines into diazonium salts by the action of nitrous acid and dilute hydrochloric acid is called diazotization.
iii)Hofmann’s bromamide reaction :The heating of amine an amide with bromine and caustic alkali to yield an amine with one carbon less than the original amide this reaction is called Hofmann’s bromamide reaction.
iv)Coupling reaction:Reaction of aromatic diazinium salt with phenols and amines to give azo compounds is called coupling reaction.
v)Ammonolysis :Alkyl halides react with alcoholic ammonia to primary,secondary and tertiary amines along with some quaternary ammonium salts.
| CBSE Class 12 Chemistry General Organic Chemistry Notes and Questions |
| CBSE Class 12 Chemistry Organic Chemistry Questions |
| CBSE Class 12 Chemistry Solutions Assignment |
| CBSE Class 12 Chemistry Solutions Questions |
| CBSE Class 12 Chemistry Electro Chemistry Assignment |
| CBSE Class 12 Chemistry Electro Chemistry Questions |
| CBSE Class 12 Chemistry Electrochemistry Notes and Questions |
| CBSE Class 12 Chemistry Surface Chemistry Assignment |
| CBSE Class 12 Chemistry Surface Chemistry Notes and Questions |
| CBSE Class 12 Chemistry Surface Chemistry Questions |
| CBSE Class 12 Chemistry Halo Alkanes and Halo arenes Assignment |
| CBSE Class 12 Chemistry Halo Alkanes and Halo arenes Questions |
| CBSE Class 12 Chemistry Alcohols Phenols and Ethers Assignment |
| CBSE Class 12 Chemistry Alcohols Phenols and Ethers Questions |
| CBSE Class 12 Chemistry Aldehydes Ketons Carboxylic Acids Questions |
| CBSE Class 12 Chemistry Biomolecules Assignment |
| CBSE Class 12 Chemistry Biomolecules Notes and Questions |
| CBSE Class 12 Chemistry Biomolecules Questions |
CBSE Class 12 Chemistry Unit 13 Amines Assignment
We hope you liked the above assignment for Unit 13 Amines which has been designed as per the latest syllabus for Class 12 Chemistry released by CBSE. Students of Class 12 should download and practice the above Assignments for Class 12 Chemistry regularly. We have provided all types of questions like MCQs, short answer questions, objective questions and long answer questions in the Class 12 Chemistry practice sheet in Pdf. All questions have been designed for Chemistry by looking into the pattern of problems asked in previous year examinations. You can download all Revision notes for Class 12 Chemistry also absolutely free of cost. Lot of MCQ questions for Class 12 Chemistry have also been given in the worksheets and assignments for regular use. All study material for Class 12 Chemistry students have been given on studiestoday. We have also provided lot of Worksheets for Class 12 Chemistry which you can use to further make your self stronger in Chemistry.
You can download free Pdf assignments for CBSE Class 12 Chemistry Unit 13 Amines from StudiesToday.com
All topics given in Unit 13 Amines Chemistry Class 12 Book for the current academic year have been covered in the given assignment
No, all Printable Assignments for Unit 13 Amines Class 12 Chemistry have been given for free and can be downloaded in Pdf format
Latest syllabus issued for current academic year by CBSE has been used to design assignments for Unit 13 Amines Class 12
Yes, we have provided detailed answers for all questions given in assignments for Unit 13 Amines Class 12 Chemistry