Advertisements
Advertisements
प्रश्न
The following compounds will give positive Fehling’s test.
विकल्प
Propanone
Pentan-3-one
Butanone
Butanal
Advertisements
उत्तर
Butanal
APPEARS IN
संबंधित प्रश्न
Write a note on Stephen reaction.
_____________ reaction is used to synthesize straight alkyl substituted benzenes.
Write reactions for the action of the following reagents on p-chlorobenzaldehyde.
Phenyl hydrazine
Aldol condensation between which of the following compounds followed by dehydration gives 4-Methylpent-3-en-2-one?
Benzaldehyde gives all tests positive EXCEPT ____________.
Identify the INCORRECT reaction.
Following reaction is an example of ____________.
\[\ce{Benzaldehyde ->[Nitration] {m}-Nitrobenzaldehyde}\]
The first oxidation product of secondary alcohols is ____________.
Which of the following is a Wolf - Kishner reduction?
Reaction of acetone with one of the following reagents involves nucleophilic addition followed by elimination of water. The reagent is:
\[\ce{Ethanoic acid ->[P/Br2] 2-bromoethanoic acid}\]. This reaction is called ____________.
Which one of the following undergoes reaction with 50% sodium hydroxide solution to give the corresponding alcohol and acid.
Identify X and Y.
\[\ce{CH3COCH2CH2COOC2H5 ->[CH3MgBr] X ->[H3O^+] Y}\]
How will you convert benzaldehyde into the following compound?
Benzophenone
How will you convert benzaldehyde into the following compound?
Benzoic acid
How is the following conversion effected phenyl methanal into benzoin?
How will you prepare acetamide from methyl cyanide?
How will you prepare lactic acid from ethanol?
Which of the following compound will give positive iodoform test?
A substance C4H10O yields on oxidation a compound, C4H8O which gives an oxime and a positive iodoform test. The original substance on treatment with a conc. H2SO4 gives C4H8. The structure of the compound is ______.
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?
Which of the following is not correctly matched?
How are the following compound obtained from alkyne?
Acetone
What is the action of the following regent on propanal?
Sodium Bisulphite
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.
How will you prepare acetic anhydride from acetic acid?
