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प्रश्न
Write the name of the product when ketones react with 1,2-diol in presence of dry HCl.
उत्तर
The product obtained when ketones react with 1,2-diol in presence of dry HCl is known as cyclic ketal.
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संबंधित प्रश्न
Answer in brief.
Write reaction showing conversion of Acetaldehyde into acetaldehyde dimethyl acetal.
Addition of sodium bisulphite to ethanol is ____________ type of reaction.
Write reactions for the action of the following reagents on p-chlorobenzaldehyde.
Tollen’s reagent
Which of the following is Schiff's reagent?
Identify the INCORRECT reaction.
ln which of the following reactions, both oxidised and reduced forms of the same compound are obtained?
\[\begin{array}{cc} \phantom{...}\ce{R}\phantom{.................}\ce{R}\phantom{..}\ce{H}\phantom{................}\\ \phantom{...}\backslash\phantom{..................}\backslash/\phantom{..........}\phantom{.......}\\ \ce{C = O ->[H2NNH2][KOH/glycol] C + N2 + H2O}\\ \phantom{}/\phantom{............}\phantom{.......}/\phantom{}\backslash\phantom{...............}\\ \phantom{}\ce{R}\phantom{..................}\ce{R}\phantom{..}\ce{H}\phantom{...............} \end{array}\]
Reaction is called ____________.
An aldehyde or ketone reacts with hydrogen cyanide to form corresponding cyanohydrin derivatives. This reaction is an example of ____________.
Acetone on Clemmensen reduction gives ____________.
The formation of cyanohydrin from acetone is an example of ____________.
\[\ce{Benzoic acid ->[i) NH3][ii) \Delta] A ->[NaOBr] B ->[NaNO2/HCl] C}\] ‘C’ is:
Identify the product formed in the reaction.
Identify A, B, C and D.
\[\ce{ethanoic acid ->[SOCl2] A ->[Pd/BaSO4] B ->[NaOH] C ->[][\Delta] D}\]
How will you convert benzaldehyde into the following compound?
α-hydroxy phenyl acetic acid
What is the action of HCN on propanone?
What is the action of HCN on ethanal?
How is the following conversion effected phenyl methanal into benzoin?
How will you prepare ethane from sodium acetate?
How will you prepare malachite green from benzaldehyde?
How propanal is converted into propane.
Which one of the following substituents at para-position is most effective in stabilizing the phenoxide 
ion?
In the above reaction, product (B) is:
Which of the following is most reactive towards the addition reaction of hydrogen cyanide to form the corresponding cyanohydrin?
How are the following compound obtained from alkyne?
Acetone
Write a note on Clemmensen reduction.
How will you prepare Acetic anhydride from acetic acid ?
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
