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प्रश्न
What is meant by the following term? Give an example of the reaction in the following case.
Acetal
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उत्तर
Gem-dialkoxy compounds in which two alkoxy groups are present on the terminal carbon atom are called acetals. These are formed when the aldehyde reacts with two equivalents of monohydric alcohol in the presence of dry hydrogen chloride.

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संबंधित प्रश्न
Write the products formed when CH3CHO reacts with the following reagents : H2N – OH
Arrange the following compound in increasing order of its reactivity in nucleophilic addition reactions.
Ethanal, Propanal, Propanone, Butanone.
Hint: Consider steric effect and electronic effect.
What is meant by the following term? Give an example of the reaction in the following case.
Hemiacetal
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Write the main product formed when propanal reacts with the following reagents:
2 moles of 3 CH OH in presence of dry HCl
Write the main product formed when propanal reacts with the following reagents:
H2N- NH2 followed by heating with KOH in ethylene glycol.
Write a test to differentiate between pentan-2-one and pentan-3-one.
Which one of the following gives only one monochloro derivative?
Which of the following is most reactive in nucleophilic addition reactions?
Aldehydes and ketones react with hydroxylamine to form ______.
Draw the structure of the following derivative.
The ethylene ketal of hexane-3-one
Draw the structure of the following derivative.
Acetaldehydedimethylacetal
Draw structures of the following derivatives.
Acetaldehydedimethylacetal
Draw the structure of the following derivative.
Acetaldehydedimethylacetal
Draw structures of the given derivatives.
The ethylene ketal of hexan-3-one
Draw structure of the following derivative.
The ethylene ketal of hexan-3-one
Give an example of the reaction in the following case.
Oxime
