Advertisements
Advertisements
प्रश्न
Addition of sodium bisulphite to ethanol is ____________ type of reaction.
पर्याय
electrophilic addition
electrophilic substitution
nucleophilic addition
nucleophilic substitution
Advertisements
उत्तर
Addition of sodium bisulphite to ethanol is nucleophilic addition type of reaction.
APPEARS IN
संबंधित प्रश्न
Answer in brief.
Write reaction showing conversion of Acetaldehyde into acetaldehyde dimethyl acetal.
_____________ reaction is used to synthesize straight alkyl substituted benzenes.
Write reactions for the action of the following reagents on p-chlorobenzaldehyde.
Tollen’s reagent
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 B in the following reaction,
\[\ce{Acetaldoxime ->[Na][alcohol] A ->[NaNO2][HCl] B + H2O + N2\uparrow}\]
Which of the following does not give yellow solid on treatment with sodium hypoiodlte?
Which of the following will give positive iodoform test?
Which among the following compounds does NOT undergo aldol condensation?
Identify the product Y in the following series of reactions.
\[\ce{4-Nitrotoluene ->[(CH3CO)2O/CrO3][273 - 278 K] X ->[H3O^+][\Delta] Y}\]
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.
Identify the product formed in the reaction.
Assertion: p-N, N-dimethyl amino benzaldehyde undergoes benzoin condensation
Reason: The aldehydic (−CHO) group is meta directing.
Identify A, B and C.
How will you convert benzaldehyde into the following compound?
Benzoic acid
How is the following conversion effected Hex-3-yne into hexan-3-one?
How will you prepare acetamide from methyl cyanide?
How will you prepare malachite green from benzaldehyde?
The reagent used in Wolf - Kishner reduction is ______.
Which one of the following substituents at para-position is most effective in stabilizing the phenoxide 
ion?
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 ______.
A carbonyl compound A having molecular formula C5H10O forms crystalline precipitate with sodium bisulphate and gives positive iodoform test. A does not reduce Fehling solution. Identify A.
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
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.
Which from following compounds does NOT undergo haloform reaction?
