English

Name the reagents used to convert phenol into picric acid p-benzoquinone - Chemistry

Advertisements
Advertisements

Question

Name the reagents used to convert phenol into

  1. picric acid
  2. p-benzoquinone
Short/Brief Note
Advertisements

Solution

  1. Concentrated nitric acid in the presence of conc. H2SO4 is used to convert phenol into picric acid.
  2. Chromic anhydride or sodium dichromate in the presence of H2SO4 is used to convert phenol into p-benzoquinone.
shaalaa.com
Alcohols and Phenols
  Is there an error in this question or solution?
Chapter 11: Alcohols, Phenols and Ethers - Short Answer Questions (Type-Ⅰ)

APPEARS IN

SCERT Maharashtra Chemistry [English] 12 Standard HSC
Chapter 11 Alcohols, Phenols and Ethers
Short Answer Questions (Type-Ⅰ) | Q 4

RELATED QUESTIONS

Answer in one sentence/ word.

Write the name of the electrophile used in Kolbe’s Reaction.


Answer in brief.

Explain why p-nitrophenol is a stronger acid than phenol.


Write the reaction to get aspirin from salicylic acid.


Write the reaction involved in the preparation of phenol from benzene sulphonic acid.


How will you bring about the following conversions?

2-methyl propan-2-ol to 2-methylpropene


Write the reactions for the preparation of carbolic acid from aniline.


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.


Which alcohol is difficult to oxidise?


α-butylene when subjected to hydroboration oxidation reaction, yields ______.


Sodium metal with ethyl alcohol gives __________ gas.


Isobutylene on hydroboration followed by oxidation with hydrogen peroxide in presence of base yields ______.


The number of isomeric alcohols possible with the formula C4H10O is ____________.


What is the product of the following reaction?

\[\ce{CH3 - CH2 - CH2 - OH ->[conc. H2SO4][\Delta]}\]


The product 'C' in the following reaction is:

\[\ce{CH3CH2Br ->[alc. KCN] {'A'} ->[H3O^+][\Delta] {'B'} ->[i. LiAlH4][ii. H3O^+] {'C'}}\]


+I effect of alkyl groups in alcohols increases the stability of ____________.


Which of the following alcohols has tertiary allylic carbon?


Which of the following conversion explains the acidic nature of alcohols?


Which following reagent is used to obtain alkene from alcohol?


Which of the following alcohols is least soluble in water?


Identify 'Z' in the following series of reaction:

\[\ce{Butan - 2 - ol ->[PCl3] X ->[alco. KOH] Y ->[i) H2SO4][ii) H-OH/heat] Z}\]


Which of the following alcohols is NOT prepared by reduction of carbonyl compounds?


Identify the compound having highest boiling point from the following?


The compound which reacts fastest with Lucas reagent at room temperature is ______.


The acid, which contains both -OH and -COOR groups is ______.


What is the product formed when aniline is treated with \[\ce{NaNO2 + HCl}\] previous to hydrolysis?


Which of the following compounds reacts immediately with Lucas reagent?


What is the product obtained in Reimer - Tiemann reaction?


Arrange O - H, C - H and N - H bonds in increasing order of their bond polarity.


Write the product when 1°, 2° and 3° alcohol vapours are passed over hot copper.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×