Concept explainers
(a)
Interpretation:
The mechanism of the given reaction is to be predicted.
Concept introduction:
Reduction is a process in which a hydrogen atom is added or an oxygen atom is removed from a substance. Reduction occurs with the help of reducing agent. Reducing agents themselves get oxidized. A strong reducing agent can reduce all the carbonyl groups present in a compound into alcohol.
(b)
Interpretation:
The mechanism of the given reaction is to be predicted.
Concept introduction:
Oxime belongs to the family of imines. The formula of oxime is
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EBK ORGANIC CHEMISTRY
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- Answer ALL parts of this question. (a) Compound Z is a tertiary aromatic amine with the formula, C8H11N. Provide a chemical structure for compound Z. (b) Provide a reaction scheme for the preparation of nitrous acid. (c) Draw the structure of the product formed exclusively when nitrous acid reacts with Z. (d) Give a curly arrow mechanism for the preparation of the yellow azo-dye from the reaction of Z with benzenediazonium chloride.arrow_forward(a) Discuss the aromaticity of a six membered heterocyclic compound which is weak base in nature.arrow_forwardHow would you account for the following :(a) Electrophilic susbstitution in case of aromatic amines takes place more readily than benzene.(b) Ethanamide is a weaker base than ethanamine.arrow_forward
- Account for the following:(i) Aniline does not give Friedel-Crafts reaction.(ii) Ethylamine is soluble in water whereas aniline is not.(iii) pKb of methylamine is less than that of aniline.arrow_forwardCompound A was oxidized with periodic acid to give B, which after acid hydrolysis gave C. Bromine oxidation of C gave D. Suggest structural formulas, including stereochemistry, for compounds B, C, and D.arrow_forward(A) Provide the major organic product for the reaction below (B) Would the product be optically active of optically in active?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_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_forwardAnswer BOTH parts of this question. (a) Briefly explain the origin of amine basicity. Using resonance structures explain why aniline is a weaker base than methylamine. (b) Draw the structure of compound X and provide a curly arrow mechanism for the reduction in Scheme 1. X 1. NaBH4 2. H₂O Scheme 1 OHarrow_forward
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