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30 years experience for 12 chemistry Alcohols Aldehydes Amines Biomolecules Chemical Kinetics Coordination Compounds Electrochemistry Haloalkanes and Haloarenes Solutions The d- and f-Block Elements Unit I: Solid State Unit II: Solutions Unit III: Electrochemistry Unit IV: Chemical Kinetics Unit IX: Coordination Compounds Unit V: Surface Chemistry Unit VI: General Principles and Processes of Isolation of Elements Unit VII: p - Block Elements Unit VIII: d and f Block Elements Unit X : Haloalkanes and Haloarenes Unit XI: Alcohols, Phenols and Ethers Unit XII: Aldehydes, Ketones and Carboxylic Acids Unit XIII: Organic compounds containing Nitrogen Unit XIV: Biomolecules Unit XV: Polymers Unit XVI: Chemistry in Everyday life

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CBSE - Class 12 > Chemistry Worksheets

Free CBSE - Class 12 Chemistry worksheets

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1.
Why cannot aromatic primary amines be prepared by Gabriel phthalimide synthesis?
2.
Write the reactions of (i) aromatic primary amines with nitrous acid.
3.
Write the reactions of (ii) aliphatic primary amines with nitrous acid.
4.
Give plausible explanation for each of the following:
(i) Why are amines less acidic than alcohols of comparable molecular masses?
5.
Give plausible explanation for each of the following:
(ii) Why do primary amines have higher boiling point than tertiary amines?
6.
Give plausible explanation for each of the following:
(iii) Why are aliphatic amines stronger bases than aromatic amines?
7.
Arrange the following:
(iii) In increasing order of basic strength:
(b) \(C_{6}H_{5}NH_{2}\), \(C_{6}H_{5}NHCH_{3}\), \(C_{6}H_{5}CH_{2}NH_{2}\).
8.
Arrange the following:
(iv) In decreasing order of basic strength in gas phase:
\(C_{2}H_{5}NH_{2}\), \((C_{2}H_{5})_{2}NH\), \((C_{2}H_{5})_{3}N\) and \(NH_{3}\)
9.
How will you convert:
(ii) Hexanenitrile into 1-aminopentane
10.
How will you convert:
(iii) Methanol to ethanoic acid
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Chapters in CBSE - Class 12 Chemistry

Alcohols Worksheet Aldehydes Worksheet Amines Worksheet Biomolecules Worksheet Chemical Kinetics Worksheet Coordination Compounds Worksheet Electrochemistry Worksheet Haloalkanes and Haloarenes Worksheet Solutions Worksheet The d- and f-Block Elements Worksheet

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30 years experience for 12 chemistry Alcohols Aldehydes Amines Biomolecules Chemical Kinetics Coordination Compounds Electrochemistry Haloalkanes and Haloarenes Solutions The d- and f-Block Elements Unit I: Solid State Unit II: Solutions Unit III: Electrochemistry Unit IV: Chemical Kinetics Unit IX: Coordination Compounds Unit V: Surface Chemistry Unit VI: General Principles and Processes of Isolation of Elements Unit VII: p - Block Elements Unit VIII: d and f Block Elements Unit X : Haloalkanes and Haloarenes Unit XI: Alcohols, Phenols and Ethers Unit XII: Aldehydes, Ketones and Carboxylic Acids Unit XIII: Organic compounds containing Nitrogen Unit XIV: Biomolecules Unit XV: Polymers Unit XVI: Chemistry in Everyday life

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