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प्रश्न
What is meant by the following term? Give an example of the reaction in the following case.
Ketal
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उत्तर
Ketals are cyclic products formed by the reaction of ketones with ethylene glycol in the presence of dry HCl gas.

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संबंधित प्रश्न
Predict the products of the following reactions:

Predict the product of the following reaction:
\[\begin{array}{cc}
\phantom{..............}\ce{O}\\
\phantom{..............}||\\
\ce{R - CH = CH - CHO + NH2 - C - NH - NH2 ->[H+]}\end{array}\]
What is meant by the following term? Give an example of the reaction in the following case.
2, 4-DNP-derivative
Give plausible explanation for the following:
There are two −NH2 groups in semicarbazide. However, only one is involved in the formation of semicarbazones.
Complete the synthesis by giving missing starting material, reagent or product.

How are the following compounds prepared?
benzaldehyde from benzoyl chloride
Give a simple chemical test to distinguish between
Carboxylic acids contain carbonyl group but do not show the nucleophilic addition reaction like aldehydes or ketones. Why?
Acetaldehyde and acetone differ in their reaction with
Write the name of product formed, when acetone is treated with 2, 4-dinitrophenyl hydrazine.

The product "P" in the above reaction is:
The product of following reaction is
\[\ce{CH3 - CH = CH - CH2 - CHO ->[i) LiAlH4][ii) H3O+]}\] ______?
Which of the following is most reactive in nucleophilic addition reactions?
Draw structure of the following derivative.
Acetaldehydedimethylacetal
Draw structure of the following derivative.
The ethylene ketal of hexan-3-one
Draw structures of the following derivatives.
Acetaldehydedimethylacetal
Draw the structure of the following derivative.
Acetaldehydedimethylacetal
Draw structure of the following derivative.
The ethylene ketal of hexan-3-one
Complete the following reaction:

[C] is __________.
