Advertisements
Advertisements
प्रश्न
Write reactions for the action of the following reagents on p-chlorobenzaldehyde.
Tollen’s reagent
Advertisements
उत्तर

APPEARS IN
संबंधित प्रश्न
The following compounds will give positive Fehling’s test.
Write a reaction to distinguish acetaldehyde from acetone.
Write reactions for the action of the following reagents on p-chlorobenzaldehyde.
Phenyl hydrazine
Benzaldehyde gives all tests positive EXCEPT ____________.
Which of the following compounds does NOT undergo aldol condensation?
An aldehyde or ketone reacts with hydrogen cyanide to form corresponding cyanohydrin derivatives. This reaction is an example of ____________.
Which of the following is Clemmensen reduction?
Which of the following does NOT give yellow precipitate when reacted with (NaOH + I2) mixture?
Identify the product Y in the following series of reactions.
\[\ce{4-Nitrotoluene ->[(CH3CO)2O/CrO3][273 - 278 K] X ->[H3O^+][\Delta] Y}\]
The formation of cyanohydrin from acetone is an example of ____________.
Reaction of acetone with one of the following reagents involves nucleophilic addition followed by elimination of water. The reagent is:
Assertion: 2, 2-dimethyl propanoic acid does not give HVZ reaction.
Reason: 2-2, dimethyl propanoic acid does not have α-hydrogen atom.
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 ____________.
In which of the following reactions new carbon-carbon bond is not formed?
Identify X and Y.
\[\ce{CH3COCH2CH2COOC2H5 ->[CH3MgBr] X ->[H3O^+] Y}\]
How will you prepare acetic anhydride from acetic acid?
How will you prepare acetophenone from acetyl chloride?
Primary nitroalkanes are obtained in good yield by oxidising aldoximes with the help of ______.
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 ______.
Which of the following reaction does not involve either oxidation or reduction?
What is the number of different products formed when mixture of ethanal and propanal reacts with aq. NaOH after warming?
Aldehydes are readily oxidised to yield carboxylic acids but ketones are inert to oxidation. Which is the most likely explanation regarding this difference in reactivity?
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
Identify B in the following reaction:
\[\begin{array}{cc}
\ce{O}\phantom{........}\\
||\phantom{........}\\
\ce{\underset{(Acetone)}{CH3 - C - CH3}->[CrO3] B}
\end{array}\]
Write reactions when phenol reacts with Dilute HNO3
How will you prepare acetic anhydride from acetic acid.
How will you prepare Acetic anhydride from acetic acid.
Which from following tests confirms presence of aldehydic group in glucose?
