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प्रश्न
Answer in one sentence/ word.
Write the name of the electrophile used in Kolbe’s Reaction.
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उत्तर
Carbon dioxide
संबंधित प्रश्न
Answer in one sentence/ word.
Hydroboration-oxidation of propene gives _________.
Give the reagents and conditions necessary to prepare phenol from Chlorobenzene.
Answer in brief.
Give the reagents and conditions necessary to prepare phenol from Benzene sulfonic acid.
Reaction between hot conc. HI and anisole gives ______________
Write the name of major product when anisole reacts HI at 398 K
With the help of chemical equations show what happens when cumene hydroperoxide is treated with dil. acid.
Draw intramolecular hydrogen bonding structure in o-nitrophenol.
Write the reaction involved in the preparation of phenol from benzene sulphonic acid.
Write chemical equation of acetyl chloride with phenol
What is the action of conc. H2SO4 on carbolic acid at 373 K.
Write chemical reactions to convert phenol into salicyaldehyde. Write the name of the reaction. What happens when if CCl4 is used instead of CHCl3 in the above reaction.
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.
α-butylene when subjected to hydroboration oxidation reaction, yields ______.
Phenol is ____________.
Propane when treated with cold cone. H2SO4 forms a compound which on heating with water gives ______.
Which of following elements does not react with hot concentrated sulphuric acid?
What is the product of the following reaction?
\[\ce{CH3 - CH2 - CH2 - OH ->[conc. H2SO4][\Delta]}\]
\[\ce{CH3 - CH = CH2 ->[HBr][Peroxide] A}\]
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.
Sodium benzene sulphonate reacts with NaOH and then on acidic hydrolysis, it gives __________.
In Raschig's method for synthesis of phenol, the reactants used are ____________.
Which of the following conversion explains the acidic nature of alcohols?
Which among the following compounds is used to prepare solid fuel using calcium acetate?
Which of the following compounds does NOT react with sodium metal?
Identify the reagent A used in the following conversion.
\[\ce{Phenol ->[A] Benzoquinone}\]
Identify product B in the following conversion?
\[\ce{Phenol ->[NaOH] A ->[CH3I] B}\]
Product (B) in this reaction is:
Which of the following compounds has lowest boiling point?
The product C in the following reaction is
