Advertisements
Advertisements
Question
Write the name of the product when ketones react with 1,2-diol in presence of dry HCl.
Advertisements
Solution
The product obtained when ketones react with 1,2-diol in presence of dry HCl is known as cyclic ketal.
APPEARS IN
RELATED QUESTIONS
Answer in brief.
Write reaction showing conversion of Acetaldehyde into acetaldehyde dimethyl acetal.
The following compounds will give positive Fehling’s test.
Aldol condensation between which of the following compounds followed by dehydration gives 4-Methylpent-3-en-2-one?
Benzaldehyde gives all tests positive EXCEPT ____________.
Which of following is not a property of red phosphorus?
Following reaction is an example of ____________.
\[\ce{Benzaldehyde ->[Nitration] {m}-Nitrobenzaldehyde}\]
Which among the following compounds does NOT undergo aldol condensation?
Identify the product formed in the reaction.
Which one of the following reaction is an example of disproportionation reaction.
Phenyl methanal is reacted with concentrated NaOH to give two products X and Y. X reacts with metallic sodium to liberate hydrogen X and Y are ____________.
In which of the following reactions new carbon-carbon bond is not formed?
Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their ____________.
Identify A, B and C.
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?
Benzophenone
How will you convert benzaldehyde into the following compound?
α-hydroxy phenyl acetic acid
What is the action of HCN on propanone?
How is the following conversion effected propanal into butanone?
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
What is the action of hydrogen cyanide on the following?
Acetone
Write the structure of the products obtained from the following ketones by action of hydrazine in presence of a slightly acidic medium.
Write reactions when phenol reacts with Dilute HNO3
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
How will you prepare acetic anhydride from acetic acid.
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.
Which from following tests confirms presence of aldehydic group in glucose?
