Advertisements
Advertisements
Question
What is the action of the following regent on propanal?
Sodium Bisulphite
Advertisements
Solution
\[\begin{array}{cc}
\phantom{.....}\ce{O}\phantom{.......................................}\ce{OH}\\
\phantom{...}||\phantom{........................................}|\\
\ce{\underset{Propanal}{CH2 - CH2} - C - H + \underset{Sodium Bisulphite}{NaHSO3} -> H3C - CH2 - C - SO3Na^+}\\
\phantom{............................................}|\\
\phantom{............................................}\ce{H}\end{array}\]
APPEARS IN
RELATED QUESTIONS
The following compounds will give positive Fehling’s test.
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?
Identify A in the following reaction.
\[\ce{A + CH3MgBr ->[Ether] complex ->[H3O+] (CH3)3C - OH}\]
Identify B in the following reaction,
\[\ce{Acetaldoxime ->[Na][alcohol] A ->[NaNO2][HCl] B + H2O + N2\uparrow}\]
Compounds of general formula, are called ____________.
\[\begin{array}{cc} \phantom{...}\ce{R}\phantom{....}\ce{OR''}\phantom{}\\ \phantom{}\backslash\phantom{..}/\\ \ce{C}\\ \phantom{}/\phantom{..}\backslash\\ \phantom{...}\ce{R'}\phantom{...}\ce{OR''}\phantom{} \end{array}\]
Which of the following represents the structure of isopropyl methyl ketone?
Which of the following reagents is used for the following conversion?
\[\ce{CH3 - CH = CH - CHO -> CH3 - CH = CH - CH2OH}\]
Reaction of acetone with one of the following reagents involves nucleophilic addition followed by elimination of water. The reagent is:
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 ____________.
Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their ____________.
Identify A, B and C.
Identify A, B, C and D.
\[\ce{ethanoic acid ->[SOCl2] A ->[Pd/BaSO4] B ->[NaOH] C ->[][\Delta] D}\]
How will you convert benzaldehyde into the following compound?
Benzophenone
How is the following conversion effected phenyl methanal into benzoic acid?
How will you prepare acetic anhydride from acetic acid?
How will you prepare acetamide from methyl cyanide?
How propanal is converted into propane.
Which one of the following substituents at para-position is most effective in stabilizing the phenoxide 
ion?
Which of the following compounds will undergo self-aldol condensation in the presence of cold dilute alkali?
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
Write a note on Clemmensen reduction.
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 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?
