(c)Bimolecular elimination (d) Nucleophilic substitution with rearrangement. (d) (CH 3) 3C-CH2OH + HBr -–> (CH 3) 2 C Br CH 2CH 2CH 3 + H 2OĪnswer:(a) Nucleophilic substitution (b) Electrophilic addition (a) CH 3CH 2Br + HS – -–> CH 3CH 2SH + Br – Classify the following reactions in one of the reaction type studied in this unit. (b) CH 3COCH 3 + CN -–> (CH 3) 2 C(CN)(OH)Īnswer:Nucleophiles: (a) and (b) and Electrophile : (c) Identify the reagents shown in bold in the following equations as nucleophiles or electrophiles They are electron rich they may be negative ions or neutral molecules.Įx: Cl – Br –, CN –, OH –, RCR 2 –, NH 3, RNH 2, H 2O, ROH etc. Nucleophiles: The name nucleophiles means ‘nucleus loving’ and indicates that it attacks the region of low electron density (positive centres) in a substrate molecule. They may be positive ions or neutral molecules.Įx: H +, Cl +, Br +, NO 2 +, R 3C +, RN 2 +, AlCl 3, BF 3 What are electrophiles and nucleophiles? Explain with examples:Īnswer:Electrophiles: The name electrophiles means electron loving. Give condensed and bond line structural formulas and identify the functional group(s) present, if any, for: (a) 2, 2, 4-Trimethylpentane (b) 2-Hydroxy-l, 2, 3-propanetricarboxylic acid (c) Hexanedial. #NITRIC ACID MOLAR MASS SERIES#Draw formulas for the first five members of each homologous series beginning with the following compounds, Lower locant for the principal functional group, i.e., alcohol. Alphabetical order of substituents, (d) But-3-yn-l-ol. For two alkyl groups on the same carbon its locant is repeated twice, 2, 4, 7-locant set is lower than 2, 5, 7. (a) 2, 2-Dimethylpentane or 2-Dimethylpentane (b) 2, 4, 7-Trimethyloctane or 2, 5, 7- Trimethyloctane (c) 2-Chloro-4-methylpentane or 4-Chloro-2-methylpentane (d) But-3-yn- l-ol or But-4-ol-yne.Īnswer:(a) 2, 2-Demethylpentane (b)2, 4, 7-Trimethyloctane. Question 5.Which of the following represents the correct TUPAC name for the compounds concerned? (d) 3-Bromo- 3-chloroheptane (e) 3-Chloropropanal (f) 2, 2-Dichloroethanol Give the TUPAC names of the following compounds:Īnswer:(a) Propylbenzene (b) 3-Methylpentanenitrite (c) 2, 5-Dimethylheptane Write bond-line formulas for: Isopropyl alcohol, 2,3-Dimethylbutanal, Heptan-4-one. NCERT Solutions Class 11 Computer Science.NCERT Solutions Class 11 Indian Economic Development.NCERT Solutions Class 11 Entrepreneurship.NCERT Solutions Class 11 Business Studies.Indicate the a- and n-bonds in the following molecules:Ĭ 6H 6, C 6H 12, CH 2Cl 2, CH=C=CH 2, CH 3NO 2, HCONHCH 3 What are hybridisation states of each carbon atom in the following compounds? CH 2=C=O, CH 3CH=CH 2, (CH 3) 2CO, CH 2=CHCN, C 6H 6. #NITRIC ACID MOLAR MASS MANUAL#NCERT Solutions Class 11 Chemistry Chemistry Lab Manual Chemistry Sample Papers NCERT TEXTBOOK QUESTIONS SOLVED Qualitative Analysis of Organic Compounds Methods of Purification of Organic Compounds Structural Representations of Organic Compoundsįundamental Concepts in Organic Reaction Mechanism Tetravalence of Carbon: Shapes of Organic Compounds Organic Chemistry – Some Basic Principles and Techniques Topics and Subtopics in NCERT Solutions for Class 11 Chemistry Chapter 12 Organic Chemistry Some Basic Principles and Techniques : Section Name NCERT Solutions for Class 11th Chemistry Chapter 12Organic Chemistry Some Basic Principles and Techniques
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