Question

निम्नलिखित पदों से आप क्या समझते हैं? प्रत्येक का एक उदाहरण दीजिए:
(i) ऐसीटल
(ii) ऐल्डोल
What do you understand by the following terms? Give one ex
of the reaction of each :
(i) Acetal
(ii) Aldol​

Answer 1

Answer:

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Answer 2

The explanation of following terms with examples :

i)Acetal -

• Acetal is formed when aldehyde reacts with two monohydric alcohols means have one -OH group . It will react in the presence of dry HCL gas then the end product will obtained is called Acetal.

• Acetal contains two alkoxy group which is present at the terminal carbon atoms.

• Example -

dry HCL,∆

CH3CHO + 2 CH3CH2OH —> CH3 OCH2CH3

<— \ /

C

/ \

H OCH2CH3

ii)Aldol :

• Aldol is produced by condensation of two molecules of same or different aldehydes . It will react in the presence of diluted aqueous bases such as KOH, NaOH etc.

dil.NaOH

• CH3CHO + H-CH2CHO —> OH

|

CH3-CH-CH2-CHO

• Aldols are beta hydroxy aldehyde.