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प्रश्न
When vapours of tert.butyl alcohol are passed over hot copper, it gives _____________
पर्याय
butanal
butanoic acid
butanone
isobutylene
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उत्तर
When vapours of tert.butyl alcohol are passed over hot copper, it gives isobutylene
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संबंधित प्रश्न
Answer in brief.
Give a simple chemical test to distinguish between ethanol and ethyl bromide.
Arrange the following in decreasing order of acid strength.
CH3OH, CH3–CH2–OH, CH3–CH(OH)–CH3, (CH3)3–C–OH
What is the action of following reagents on pent-3-enal?
- H2/Ni
- LiAlH4/H3O+
Name the reagents used to convert phenol into
- picric acid
- p-benzoquinone
Write chemical equation of acetyl chloride with phenol
An unknown alcohol is treated with Lucas reagent. Explain how you will determine whether the alcohol is primary, secondary or tertiary. Indicate by chemical equation the reaction between isopropyl alcohol and Lucas reagent.
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.
Phenol reacts with concentrated nitric acid in the presence of cone. H2SO4 to form ____________.
Phenol is obtained from cumene ____________.
Propane when treated with cold cone. H2SO4 forms a compound which on heating with water gives ______.
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:
\[\ce{CH3CH2Br ->[alc. KCN] {'A'} ->[H3O^+][\Delta] {'B'} ->[i. LiAlH4][ii. H3O^+] {'C'}}\]
Carbolic acid is oxidised by acidified sodium dichromate to give ______.
In Dow process, chlorobenzene is converted into phenol by ____________.
____________ will NOT undergo acetylation.
Which of the following is INCORRECT regarding phenol?
Which of the following alcohols has tertiary allylic carbon?
\[\ce{Isopropyl alcohol + acidic K2Cr2O7 -> X}\]
Identify product 'X' in the above reactions.
Which among the following compounds is used to prepare solid fuel using calcium acetate?
A reaction of phenol with chloroform in presence of sodium hydroxide to form salicylaldehyde is known as ____________.
Identify the product obtained when phenol is treated with bromine water?
Identify the compound having highest boiling point from the following?
What is the product formed when aniline is treated with \[\ce{NaNO2 + HCl}\] previous to hydrolysis?
Which among the following is not the method of preparation of phenol?
Arrange O - H, C - H and N - H bonds in increasing order of their bond polarity.
Write the chemical reaction when hot copper is treated with Vapours of 1° (primary) alcohol.
Arrange the following compounds in order of decreasing acidity:
