Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
JEE Advanced2006ChemistryAlcohols Phenols and EthersActual

Which of the following reactants on reaction with conc. NaOH followed by acidification gives following lactone as the

Correct answer

2

Step-by-step solution

This compound on acidification to give a compound which have - CH ₂ OH and - COOH group, such groups on dehydration to give lactone.

Practice Alcohols Phenols and Ethers on Quantrex Academy →

More from Alcohols Phenols and Ethers

Considering LiBH ₄ reduces an ester group to the corresponding alcohol and does not reduce a carboxylic acid group, the correct statement about the major products P , Q , R and S i 2026The major product of which of the following reaction is not obtained by rearrangement reaction? 2026Consider the following reaction. Statement I : In the above reaction, product formed will be a mixture of benzyl alcohol and iodobenzene. Statement II : In the above reaction, the 2026Consider the following sequence of reactions The major product P is: 2026Arrange the following compounds according to increasing order of boiling points. n - C ₄ H ₉ OH (A), n - C ₄ H ₉ NH ₂ (B), n - C ₄ H ₁₀ (C) and C ₂ H ₅ NHC ₂ H ₅ (D). 20264.7 g of phenol is heated with Zn to give product X. If this reaction goes to 60 % completion then the number of moles of compound X formed will be _______ 10⁻² . (Nearest Integer) 2026Consider compounds A, B and C with following structural formulae A = CH₃ - CH₂ - CH₂ - CH₂ - CH₂ - OH B = CH₂ = CH - CH₂ - CH₂ - CH₃ C = HO - CH₂ - CH₂ - CH(OH) - CH₃ For the conve 2026One mole of phenol is treated with dilute HNO ₃ at 298 K to give a mixture of products. The mixture is separated by steam distillation. The steam volatile compound (X) is separated 2026 Full Alcohols Phenols and Ethers list All JEE Advanced PYQs