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(a)
Interpretation:
The Lewis structure for
Concept introduction:
The electron dot formula also known as the Lewis structure is the formula that shows the valence electrons which forms the bond between the atoms in a molecule. The electron pairs that are shared by the atoms are known as bonding electrons and the other electrons that are present in order to complete the octet are known as non-bonding electrons.
(b)
Interpretation:
The mechanism for the given reaction is to be stated.
Concept introduction:
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Chapter 23 Solutions
EBK ORGANIC CHEMISTRY
- (b) A compound with the molecular formula C4H9CI has four structural isomers. Write the structural formulas for all the four isomers. (c) Arrange the following compounds in order of increasing acidity, and explain the reasons forarrow_forwardGive reasons :(i) Electrophilic substitution in aromatic amines takes place more readily than benzene.(ii) CH3CONH2 is weaker base than CH3CH2NH2.arrow_forward(i) State reagents G and J. (ii) Draw the structural formula for compounds D, E and H.arrow_forward
- (a) Give a seperate chemical test to distinguish between the following pairs of compounds:(i) Ethanol and Phenol (ii) 2-Pentanol and 3-Pentanol(b) Explain Kolbe’s reaction with the help of suitable example.arrow_forwardGive reasons :(a) Aniline is a weaker base than cyclohexyl amine.(b) It is difficult to prepare pure amines by ammonolysis of alkyl halides.arrow_forward(a) Although phenoxide ion has more number of resonating structures than carboxylate ion, carboxylic acid is a stronger acid than phenol. Give two reasons.(b) How will you bring about the following converstions?(i) Propanone to propane (ii) Benzoyl chloride to benzaldehyde(iii) Ethanal to but-2-enalarrow_forward
- (c) Arrange the following compounds in order of increasing acidity, and explain the reasons fo your choice of order: phenol, cyclohexanol, 2-fluorocyclohexanol, 2-fluoronhenolarrow_forward(a) Draw the structure of the following :(i) p-Methylbenzaldehyde (ii) 4-Methylpent-3-en-2-one(b) Give chemical tests to distinguish between the following pairs of compounds :(i) Benzoic acid and Ethyl benzoate, (ii) Benzaldehyde and Acetophenone.(iii) Phenol and Benzoic acid.arrow_forward(a) Account for the following :(i) Propanal is more reactive than propanone towards nucleophilic reagents.(ii) Electrophilic substitution in benzoic acid takes place at meta position.(iii) Carboxylic acids do not give characteristic reactions of carbonyl group.(b) Give simple chemical test to distinguish between the following pairs of compounds:(i) Acetophenone and benzaldehyde(ii) Benzoic acid and ethylbenzoate.arrow_forward
- (a) Compound D undergoes a reaction with hydrogen bromide, HBr to produce 2-bromobutane. D exists as cis-trans isomers and decolourises bromine solution in methylene chloride, CH2CI2. (i) Draw and name the structure of compound D. (ii) Draw two (2) constitutional isomers of compound D.arrow_forwardAnswer ALL parts of this question. (a) Using resonance structures, discuss the following statement; phenols are much stronger acids than aliphatic alcohols. (b) Give the structure of a stronger organic acid than phenol. (c) Rationalise the acidity of the latter organic acid by drawing two resonance structures of the conjugate base. (d) Eugenol is a natural product derived from the dried flower buds of the evergreen tree, Eugenia aromatica. Briefly describe a procedure with reagents required to extract eugenol as a single component from the mixture of compounds present in these flower buds. OH LOCH 3 eugenolarrow_forwardTwo organic compounds D and F with molecular formula C4H9Br react with suitable reagents to form E and G via SN1 and SN2 respectively. Both E and G have a molecular formula C4H10O. (a) Draw the structural formulae for D, E, F and G. (b) Suggest reagents for the formation of E and G. (c) Write the mechanism for the formation of E.arrow_forward
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