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
Answer in brief.
Observe the following equation of reaction of Tollens' reagent with aldehyde. How do we know that a redox reaction has taken place? Explain.
\[\ce{R-CHO + 2Ag(NH_{3})^{+}_{2} + OH^{-}->[\triangle] R-CO{O}^{-} + 2Ag↓ + 4NH3 + 2H2O}\]
Answer in brief.
Write reaction showing conversion of Acetaldehyde into acetaldehyde dimethyl acetal.
Write the name of the product when ketones react with 1,2-diol in presence of dry HCl.
Aldol condensation between which of the following compounds followed by dehydration gives 4-Methylpent-3-en-2-one?
The product formed after reaction between benzaldehyde and methyl magnesium iodide followed by acid hydrolysis is ____________.
Ethyl methyl ketone can be reduced to n-butane by which of the following reactions?
Identify the INCORRECT reaction.
Identify B in the following reaction,
\[\ce{Acetaldoxime ->[Na][alcohol] A ->[NaNO2][HCl] B + H2O + N2\uparrow}\]
The compound which does NOT undergo haloform reaction is ____________.
Which of the following does NOT give yellow precipitate when reacted with (NaOH + I2) mixture?
Predict the product Z in the following series of reactions.
\[\ce{Ethanoic acid ->[PCl5] X ->[C6H6][Anhydrous AlCl3] Y ->[i) CH3MgBr][H3O^+] Z}\]
\[\ce{CH3Br ->[KNC] (A) ->[H3O^+] (B) ->[PCl5] (C)}\] product (C) is:
How will you convert benzaldehyde into the following compound?
Benzophenone
What is the action of HCN on 2, 4-dichlorobenzaldehyde?
How is the following conversion effected Hex-3-yne into hexan-3-one?
How is the following conversion effected phenyl methanal into benzoic acid?
Identify A, B and C.
How will you prepare acetamide from methyl cyanide?
Which of the following compound will show a positive silver mirror test?
Which of the following is most reactive towards the addition reaction of hydrogen cyanide to form the corresponding cyanohydrin?
What is the number of different products formed when mixture of ethanal and propanal reacts with aq. NaOH after warming?
How are the following compound obtained from alkyne?
Acetone
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
What is the action of the following regent on propanal?
Sodium Bisulphite
Which from following tests confirms presence of aldehydic group in glucose?
The products formed in the following reaction, A and B are:
Nitration of the compound is carried out; this compound gives a red-orange ppt. with 2,4-DNP, this compound undergoes the Cannizzaro reaction but not aldol, then possible product due to nitration is:
Which from following compounds does NOT undergo haloform reaction?
