Q58.On heating an aliphatic primary amine with chloroform and ethanolic potassium hydroxide, the organic compound formed is : (1) An alkanol (2) An alkanediol (3) An alkyl cyanide (4) An alkyl isocyanide
What This Question Tests
This question directly tests the identification of the Carbylamine reaction (isocyanide test), which is a characteristic reaction of primary amines with chloroform and alcoholic KOH.
Concepts Tested
📚 NCERT Sections This Tests
9.5 — How Will You Convert:
Chemistry Class 12 · Chapter 9
9.5 How will you convert: (i) Ethanoic acid into methanamine (ii) Hexanenitrile into 1-aminopentane (iii) Methanol to ethanoic acid (iv) Ethanamine into methanamine (v) Ethanoic acid into propanoic acid (vi) Methanamine into ethanamine (vii) Nitromethane into dimethylamine (viii) Propanoic acid into ethanoic acid? 9.6 Describe a method for the identification of primary, secondary and tertiary amines. Also write chemical equations of the reactions involved.
6.20 — The Treatment Of Alkyl Chlorides With Aqueous Koh Leads To The Formation Of
Chemistry Class 12 · Chapter 6
6.20 The treatment of alkyl chlorides with aqueous KOH leads to the formation of alcohols but in the presence of alcoholic KOH, alkenes are major products. Explain.
6.22 — What Happens When
Chemistry Class 12 · Chapter 6
6.22 What happens when (i) n-butyl chloride is treated with alcoholic KOH, (ii) bromobenzene is treated with Mg in the presence of dry ether, (iii) chlorobenzene is subjected to hydrolysis, (iv) ethyl chloride is treated with aqueous KOH, (v) methyl bromide is treated with sodium in the presence of dry ether, (vi) methyl chloride is treated with KCN? Answers to Some Intext Questions 6.1 6.2 (i) H2SO4 cannot be used along with KI in the conversion of an alcohol to an alkyl iodide as it converts KI to corresponding acid, HI which is then oxidised by it to I2. 6.3 (i) ClCH2CH2CH2Cl (ii) ClCH2CHClCH3 (iii) Cl2CHCH2CH3 (iv) CH3CCl2CH3 191 Haloalkanes and Haloarenes Reprint 2025-26
📋 Question Details
- Chapter
- Nitrogen Compounds
- Topic
- Carbylamine reaction
- Year
- 2014
- Shift
- 06 Apr
- Q Number
- Q58
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 13: Amines
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