Advertisements
Advertisements
Question
Give balanced chemical equations for the following reactions:
(1) Acetaldehyde reacts with hydrogen cyanide.
(2) Acetone reacts with phenylhydrazine.
(3) Acetic acid is treated with ethanol and a drop of conc. H2SO4.
Solution
(i)
\[\begin{array}{cc}
\phantom{....}\ce{O}\phantom{......................}\ce{OH}\\
\phantom{..}||\phantom{.......................}|\phantom{}\\
\ce{\underset{\text{Acetaldehyde}}{CH3-C-H + HCN} ->{CH3-C-CN}}\\
\phantom{...........................}|\\
\phantom{...........................}\ce{\underset{\text{Acetaldehyde cynohydrin}}{H}}
\end{array}\]
(2)
(3)
\[\ce{\underset{\text{Acetic acid}}{CH3COOH} + C2H5OH ->[conc.H2SO4]\underset{\text{Ethylacetate}}{CH3COOC2H5} + H2O}\]
APPEARS IN
RELATED QUESTIONS
What are ketones?
How can you distinguish between propanal and propanone?
A compound used as pistachio flavour in ice cream is ___________
Answer the followiiig questions:
Identify the compounds A, B, C and D in the given reaction:
Predict the main product of the following reactions:
\[\ce{CHO + CH_3CHO->[dil NaOH]}\]
Write the main product formed when propanal reacts with the following reagents:
(ii) Dilute NaOH
`CH_3CH_2CHO + NaOH(dil)-> `
Identify the compounds A, B, C, D, E and F:
Give balanced equations for the following reactions:
(i) Acetaldehyde is heated with hydroiodic acid in the presence of red phosphorous.
(ii) Calcium acetate is subjected to dry distillation.
(iii) Sodium ethoxide is treated with ethyl bromide.
(iv) Benzaldehyde is treated with sodium bisulphite.
Choose the most correct option.
Aldol condensation is
Answer the following in one sentence.
What are aromatic ketones?
