Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app

NTA Abhyas JEE Main2020ChemistryAlcohols Phenols and EthersPractice

Dehydration of alcohol to alkene by heating with conc. H 2 S O 4 , the initiation step is _ followed with__ mechanism.

Options

AElimination of water, free radical
BFormation of an ester, free radical
CProtonation of alcohol, carbocation
DProtonation of alcohol, carbanion

Correct answer

C. Protonation of alcohol, carbocation

Step-by-step solution

Open this question in the Quantrex Academy app for the full interactive solution, figures and similar PYQs.

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 2026 The major product of which of the following reaction is not obtained by rearrangement reaction? 2026 Consider 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 2026 Consider the following sequence of reactions The major product P is: 2026 Arrange 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). 2026 4.7 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) 2026 Consider 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 2026 One 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 NTA Abhyas JEE Main PYQs