Advertisements
Advertisements
प्रश्न
Answer in brief.
What is the action of hydrazine on cyclopentanone in presence of KOH in ethylene glycol?
Advertisements
उत्तर
संबंधित प्रश्न
_____________ reaction is used to synthesize straight alkyl substituted benzenes.
Addition of sodium bisulphite to ethanol is ____________ type of reaction.
Write reactions for the action of the following reagents on p-chlorobenzaldehyde.
Phenyl hydrazine
Which of the following gives red precipitate with Fehling's solution?
Acetone reacts with iodine (I2) to form iodoform, in the presence of ____________.
The first oxidation product of secondary alcohols is ____________.
Which of the following carbonyl compounds does NOT undergo aldol condensation?
Which of the following reagents is used to avoid further oxidation of aldehydes?
Reaction of acetone with one of the following reagents involves nucleophilic addition followed by elimination of water. The reagent is:
Assertion: 2, 2-dimethyl propanoic acid does not give HVZ reaction.
Reason: 2-2, dimethyl propanoic acid does not have α-hydrogen atom.
Which of the following represents the correct order of acidity in the given compounds.
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?
Identify A, B and C.
What is the action of HCN on ethanal?
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
How will you prepare ethyl acetate from methyl acetate?
Which of the following compound will give positive iodoform test?
In the above reaction, product (B) is:
How are the following compound obtained from alkyne?
Acetaldehyde
Write the structure of the products obtained from the following ketones by action of hydrazine in presence of a slightly acidic medium.
Write the structure of the products obtained from the following ketones by action of hydrazine in presence of strong base KOH.
Write reactions when phenol reacts with Dilute HNO3
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.
How will you prepare Acetic anhydride from acetic acid.
Which from following tests confirms presence of aldehydic group in glucose?
What is IUPAC name for
?
