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प्रश्न
What happens when ethanal is treated with excess ethanol and acid?
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उत्तर
When ethanal reacts with excess ethanol and acid gives acetal.
\[\begin{array}{cc}
\phantom{.......}\ce{CH3}\phantom{.........................}\ce{CH3}\phantom{....}\ce{OC2H5}\\
\phantom{....}\backslash\phantom{..........................}\backslash\phantom{..}/\\
\ce{= O + \underset{(excess)}{C2H5OH} ->[H^⊕]}\\
\phantom{....}/\phantom{..........................}/\phantom{..}\backslash\\
\phantom{.........}\ce{H}\phantom{.........................}\ce{H}\phantom{.....}\ce{OC2H5}\\
\end{array}\]
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संबंधित प्रश्न
Acetaldehyde, when treated with which among the following reagents does NOT undergo addition reaction?
(A) Ammonia
(B) Hydroxylamine
(C) Ammoniacal silver nitrate
(D) Semicarbazide
Arrange the following in the increasing order of their reactivity towards nucleophilic addition reaction:
C6H5COCH3, CH3-CHO, CH3COCH3
Predict the products formed when cyclohexanecarbaldehyde reacts with the following reagents.
Semicarbazide and weak acid
Give plausible explanation for the following:
Cyclohexanone forms cyanohydrin in good yield but 2, 2, 6 trimethylcyclohexanone does not.
Write balanced chemical equations for action of ammonia on - acetone
Write the structure of Phenylmethanamine.
Draw structure of the following derivative.
Acetaldehydedimethylacetal
Draw structures of the following derivative.
The ethylene ketal of hexan-3-one
Draw structure of the following derivative:
Acetaldehydedimethylacetal
Draw structure of the following derivative.
The ethylene ketal of hexan-3-one
