Advertisements
Advertisements
Question
Write reactions for the action of the following reagents on p-chlorobenzaldehyde.
Phenyl hydrazine
Advertisements
Solution
APPEARS IN
RELATED QUESTIONS
Benzaldehyde does NOT show positive test with ______.
Write a note on Stephen reaction.
Benzaldehyde gives all tests positive EXCEPT ____________.
Ethyl methyl ketone can be reduced to n-butane by which of the following reactions?
ln which of the following reactions, both oxidised and reduced forms of the same compound are obtained?
If acetaldehyde is treated with Fehling's solution, the change that occurs in the system is ____________.
\[\begin{array}{cc} \phantom{...}\ce{R}\phantom{.................}\ce{R}\phantom{..}\ce{H}\phantom{................}\\ \phantom{...}\backslash\phantom{..................}\backslash/\phantom{..........}\phantom{.......}\\ \ce{C = O ->[H2NNH2][KOH/glycol] C + N2 + H2O}\\ \phantom{}/\phantom{............}\phantom{.......}/\phantom{}\backslash\phantom{...............}\\ \phantom{}\ce{R}\phantom{..................}\ce{R}\phantom{..}\ce{H}\phantom{...............} \end{array}\]
Reaction is called ____________.
Which of the following represents the structure of isopropyl methyl ketone?
Acetone on Clemmensen reduction gives ____________.
Which of the following will give positive iodoform test?
The number of α-H atoms in butanal is ____________.
Which of the following is a Wolf - Kishner reduction?
Reaction of acetone with one of the following reagents involves nucleophilic addition followed by elimination of water. The reagent is:
‘B’ is:
In which case, chiral carbon is not generated by reaction with HCN.
Assertion: p-N, N-dimethyl amino benzaldehyde undergoes benzoin condensation
Reason: The aldehydic (−CHO) group is meta directing.
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 ____________.
Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their ____________.
Identify X and Y.
\[\ce{CH3COCH2CH2COOC2H5 ->[CH3MgBr] X ->[H3O^+] Y}\]
How will you convert benzaldehyde into the following compound?
Benzoic acid
What is the action of HCN on propanone?
How will you prepare ethyl acetate from methyl acetate?
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 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.
How will you prepare Acetic anhydride from acetic acid.
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
