Advertisements
Advertisements
प्रश्न
How will you bring about the following conversions?
2-methyl propan-2-ol to 2-methylpropene
Advertisements
उत्तर
2-Methylpropan-2-ol undergoes dehydration when passed over hot copper at 573 K.
\[\begin{array}{cc}
\ce{H3C - C(OH) - CH3 ->[Cu/573K][dehydration] H3C - C = CH2}\\
\phantom{}|\phantom{...............................}|\phantom{.}\\
\phantom{....}\ce{\underset{\text{2-Methylpropan-2-ol}}{CH3}\phantom{..................}\underset{\text{2-Methylpropene}}{CH3}}\phantom{....}
\end{array}\]
संबंधित प्रश्न
Answer in one sentence/ word.
Hydroboration-oxidation of propene gives _________.
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.
Answer in brief.
Give a simple chemical test to distinguish between ethanol and ethyl bromide.
Reaction between Grignard reagent and aldehyde other than formaldehyde leads to formation of _______________
The reagents used to convert phenol to 2,4,6-tribromophenol is _____________
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.
Name the reagents used to convert phenol into
- picric acid
- p-benzoquinone
How will you bring about the following conversions?
isopropyl alcohol to acetone
Write the reactions for the preparation of carbolic acid from aniline.
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.
Which of the following reagents are required in the conversion of phenol to salicylic acid?
In phenols, −OH group is attached to ___________ hybridised carbon.
Phenol is obtained from cumene ____________.
Bromination of phenol, will NOT give:
Identify reagents X, Y and Z.
Which of the following alcohols is least soluble in water?
Identify product B in the following conversion?
\[\ce{Phenol ->[NaOH] A ->[CH3I] B}\]
Product (B) in this reaction is:
What is the product obtained in Reimer - Tiemann reaction?
What is the action of nitrous acid on aniline?
Write the product when 1°, 2° and 3° alcohol vapours are passed over hot copper.
Explain: Phenols are acid while alcohol is neutral.
Propene can be converted into propan-1-ol by:
Arrange the following compounds in order of decreasing acidity:
The C−O−C angle in ether is about ______.
What is the name of isopropyl alcohol according to the carbinol system?
Which of the following is primary benzylic alcohol?
