Advertisements
Advertisements
प्रश्न
How will you bring about the following conversions?
acetone to 2-methylpropan-2-ol
Advertisements
उत्तर
Grignard reagent, methyl magnesium bromide reacts with acetone to form an adduct which on hydrolysis with dilute acid gives 2-methylpropan-2-ol.
संबंधित प्रश्न
Answer in one sentence/ word.
Write the IUPAC name of alcohol having molecular formula C4H10O which is resistant towards oxidation.
Answer in one sentence/ word.
Write the name of the electrophile used in Kolbe’s Reaction.
Write two points of difference between the properties of phenol and ethyl alcohol.
Answer in brief.
Give the reagents and conditions necessary to prepare phenol from Benzene sulfonic acid.
An ether (A), C5H12O, when heated with excess of hot HI produce two alkyl halides which on hydrolysis form compound (B) and (C), oxidation of (B) gave and acid (D), whereas oxidation of (C) gave a ketone (E). Deduce the structural formula of (A), (B), (C), (D), and (E).
Reaction between Grignard reagent and aldehyde other than formaldehyde leads to formation of _______________
With the help of chemical equations show what happens when cumene hydroperoxide is treated with dil. acid.
Write the reaction involved in the preparation of phenol from benzene sulphonic acid.
An organic compound gives hydrogen on reaction with sodium metal. It forms an aldehyde with molecular formula C2H4O on oxidation with pyridinium chlorochromate. Give the chemical equations in support of these observations.
Isobutylene on hydroboration followed by oxidation with hydrogen peroxide in presence of base yields ______.
Cumene is used in the commercial method for the manufacture of ____________.
\[\ce{CH3 - CH = CH2 ->[HBr][Peroxide] A}\]
Identify A.
The product 'C' in the following reaction is:
\[\ce{CH3CH2Br ->[alc. KCN] {'A'} ->[H3O^+][\Delta] {'B'} ->[i. LiAlH4][ii. H3O^+] {'C'}}\]
____________ will NOT undergo acetylation.
Phenoxide ion is more stable than phenol due to the ____________.
Which of the following alcohols has tertiary allylic carbon?
In Raschig's method for synthesis of phenol, the reactants used are ____________.
(I)
(II) \[\ce{P + Zn ->[\Delta] Q}\]
(III) \[\ce{P ->[Na2Cr2O7][H2SO4] R}\]
Q and R are respectively:
Which following reagent is used to obtain alkene from alcohol?
Identify 'Z' in the following series of reaction:
\[\ce{Butan - 2 - ol ->[PCl3] X ->[alco. KOH] Y ->[i) H2SO4][ii) H-OH/heat] Z}\]
Identify product B in the following conversion?
\[\ce{Phenol ->[NaOH] A ->[CH3I] B}\]
Identify the alcohol that reacts immediately with Lucas reagent?
Identify the product X in the following reaction.
\[\ce{Phenol ->[Na2Cr2O7][H2SO4] X}\]
The compound which reacts fastest with Lucas reagent at room temperature is ______.
Which among the following phenolic compound is most acidic in nature?
Explain the reaction of 1° and 2° alcohol with oxidising agent chromic anhydride (CrO3).
Write the chemical reaction when hot copper is treated with Vapours of 1° (primary) alcohol.
