An organic compound [A] which has characteristic odour, reacts with conc. NaOH togive two compounds [B] and [C]. Compound [B] has molecular formula C7H8O whichupon oxidation gives back compound [A]. Compound [C] is the sodium salt of the acidand upon treatment with sodalime yields an aromatic hydrocarbon [D]. Identify thecompounds [A], [B], [C] and [D].
Question
An organic compound [A] which has characteristic odour, reacts with conc. NaOH togive two compounds [B] and [C]. Compound [B] has molecular formula C7H8O whichupon oxidation gives back compound [A]. Compound [C] is the sodium salt of the acidand upon treatment with sodalime yields an aromatic hydrocarbon [D]. Identify thecompounds [A], [B], [C] and [D].
Solution
The organic compound [A] is Benzaldehyde. It has a characteristic odour and reacts with concentrated NaOH to give two compounds [B] and [C].
Compound [B] is Benzyl Alcohol. It has the molecular formula C7H8O. Upon oxidation, it gives back Benzaldehyde.
Compound [C] is Sodium Benzoate. It is the sodium salt of the acid and upon treatment with soda lime, it yields an aromatic hydrocarbon [D].
Compound [D] is Benzene. It is the aromatic hydrocarbon yielded from the treatment of Sodium Benzoate with soda lime.
Similar Questions
An organic compound ‘A’ is having a molecular formula C7H8O. On oxidation with acidifiedKMnO4 it forms compound ‘B’ .Compound ‘B’ can also be obtained from compound C, on itsreaction with NaOH and then with CO2 followed by hydrolysis. Compound C can be easilyformed when butylphenylether is made to react with HI
Compound [A] on chlorination followed by treatment in aqueous alcoholic KOH gives a compound [B], which upon oxidation gives [C]. The compound [C] upon further oxidation followed by treatment with sodalime gives methane. The compound [A] is:ethane propanepropyleneMore than one of the aboveNone of the above
Compound (A) is an important industrial feed stocks, but its largest use is as the fuel forthe oxyacetylene torch. It is a colourless, foul smelling gas that burns in air with a yellow,sooty flame.7. Identify the product A.(a) ethane (b) ethyne(c) ethene (d) methane18. The compound (B) formed is(a) cyclohexane (b) benzene(c) hexane (d) cyclopentane.19.(a) nucleophilic substitution mechanism(b) electrophilic addition mechanism(c) electrophilic subsituition mechanism(d) elimination reaction mechanism.110. The product E is(a) nitrobenzene(b) benzene sulphonic acid(c) both (a) and b(d) none of these
An organic compound A reacts with PCl3 to give B. The compound B with sodium metal in thepresence of dry ether and gives n-butane. Thus, A and 𝐵 are:
A compound 'A' with molecular formula C H O gave positive 2, 4-DNP test but a negative Tollen'sreagent test. It was oxdised to carboxylic acid 'B' with molecular formula C H O when treated withalkaline KMnO under vigorous condition. Sodium salt of 'B' gave a hydrocarbon 'C' on Kolbe'selectrolytic reduction. Identify A, B and C and write the chemical equations for the reaction.
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.