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प्रश्न
Draw structure of salicylaldehyde.
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उत्तर
संबंधित प्रश्न
Complete the synthesis by giving missing starting material, reagent or product.
Write a note on ‘aldol condensation’.
What is the action of phenyl hydrazine on propanone?
What is the action of Zn – Hg / conc. HCl on propanone?
Write chemical equation for the following:
Gatterman - Koch formylation
How will you convert calcium acetate to acetaldehyde?
Complete the following reaction:
\[\ce{(C6H5CH2)2Cd + 2CH3COCI}\]
What is the action of following reagents on ethanoic acid?
sodalime/heat
What is the action of following reagents on ethanoic acid?
P2O5/heat
In the formation of an aldol, α-carbon atom of one aldehyde molecule attaches to ____________ of another aldehyde molecule.
Which of the following alcohols needs acidic KMnO4 to convert it into aldehyde or ketone?
Which of the following is a Stephen reaction?
Which of the following is called as mandelonitrile?
The reaction in which methyl group on benzene ring is converted to aldehydic group is called ______.
Identify 'A' in the following reaction:
\[\begin{array}{cc}
\phantom{...........}\ce{O}\\
\phantom{...........}||\\
\ce{2A + (C6H5CH2)2 Cd -> 2CH3 - C - CH2 - C6H5 + CdCl2}\end{array}\]
Which among the following compound on treatment with DIBAL-H yields dodecanal at 195 K?
Which of the following compounds does NOT undergo Friedel-Crafts reaction?
What is the final product obtained when benzonitrile react with phenyl magnesium bromide in equimolar proportion?
Identify product A in the following reaction:
\[\ce{Acetyl chloride + Dibenzylcadmium -> A}\]
Chromyl chloride converts methyl group to a chromium complex, which on acid hydrolysis gives corresponding aldehyde. This reaction is called ____________.
Which of the following reaction is shown by alkynes?
Two isomers 'A' and 'B' with molecular formula C4H8 give different products on oxidation with KMnO4 in acidic medium. Isomer 'A' on reaction with KMnO4/H+ results in the effervescence of gas and gives ketone. The compound 'A' is:
How acetone is prepared from nitriles using Grignard reagent?
Write preparation of propanone by using ethanoyl chloride and dimethyl cadmium.
