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.
Observe the following equation of reaction of Tollens' reagent with aldehyde. How do we know that a redox reaction has taken place? Explain.
\[\ce{R-CHO + 2Ag(NH_{3})^{+}_{2} + OH^{-}->[\triangle] R-CO{O}^{-} + 2Ag↓ + 4NH3 + 2H2O}\]
Write a reaction to distinguish acetaldehyde from acetone.
Which of following is not a property of red phosphorus?
Acetone on Clemmensen reduction gives ____________.
The first oxidation product of secondary alcohols is ____________.
Which of the following is a Wolf - Kishner reduction?
Which among the following compounds does NOT undergo aldol condensation?
Which of the following reagents is used to avoid further oxidation of aldehydes?
Which of the following reagents is used for the following conversion?
\[\ce{CH3 - CH = CH - CHO -> CH3 - CH = CH - CH2OH}\]
Predict the product Z in the following series of reactions.
\[\ce{Ethanoic acid ->[PCl5] X ->[C6H6][Anhydrous AlCl3] Y ->[i) CH3MgBr][H3O^+] Z}\]
\[\ce{Ethanoic acid ->[P/Br2] 2-bromoethanoic acid}\]. This reaction is called ____________.
In which case, chiral carbon is not generated by reaction with HCN.
Which one of the following reaction is an example of disproportionation reaction.
Identify A, B and C.

How will you convert benzaldehyde into the following compound?
Benzophenone
How is the following conversion effected phenyl methanal into benzoin?
How will you prepare acetic anhydride from acetic acid?
How will you prepare malachite green from benzaldehyde?
Which one of the following reactions will not result in the formation of a carbon-carbon bond?
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 ______.
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 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.
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
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:




