हिंदी

Write the name of the product when ketones react with 1,2-diol in presence of dry HCl.

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प्रश्न

Write the name of the product when ketones react with 1,2-diol in presence of dry HCl.

एक पंक्ति में उत्तर
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उत्तर

The product obtained when ketones react with 1,2-diol in presence of dry HCl is known as cyclic ketal.

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अध्याय 12: Aldehydes, Ketones and Carboxylic acids - Very Short Answer Questions

संबंधित प्रश्न

The following compounds will give positive Fehling’s test.


Identify the INCORRECT reaction.


Identify B in the following reaction,

\[\ce{Acetaldoxime ->[Na][alcohol] A ->[NaNO2][HCl] B + H2O + N2\uparrow}\]


Which of the following compounds does NOT undergo aldol condensation?


Following reaction is an example of ____________.

\[\ce{Benzaldehyde ->[Nitration] {m}-Nitrobenzaldehyde}\]


Which among the following compounds does NOT undergo aldol condensation?


Which of the following reagents is used to avoid further oxidation of aldehydes?


Predict the product Z in the following series of reactions.

\[\ce{Ethanoic acid ->[PCl5] X ->[C6H6][Anhydrous AlCl3] Y ->[i) CH3MgBr][H3O^+] Z}\]


Assertion: p-N, N-dimethyl amino benzaldehyde undergoes benzoin condensation

Reason: The aldehydic (−CHO) group is meta directing.


Which one of the following reaction is an example of disproportionation reaction.


In which of the following reactions new carbon-carbon bond is not formed?


What is the action of HCN on ethanal?


How is the following conversion effected Hex-3-yne into hexan-3-one?


How will you prepare ethyl acetate from methyl acetate?


How will you prepare acetamide from methyl cyanide?


How will you prepare lactic acid from ethanol?


How propanal is converted into propane.


Which one of the following reactions will not result in the formation of a carbon-carbon bond?


A substance C4H10O yields on oxidation a compound, C4H8O which gives an oxime and a positive iodoform test. The original substance on treatment with a conc. H2SO4 gives C4H8. The structure of the compound is ______.


In the above reaction, product (B) is:


Which of the following is not correctly matched?


Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.


A carbonyl compound A having molecular formula C5H10O forms crystalline precipitate with sodium bisulphate and gives positive iodoform test. A does not reduce Fehling solution. Identify A.


Give two examples which undergo Wolf-Kishner reduction.


What is the action of hydrogen cyanide on the following?

Acetone


What is the action of the following regent on propanal?

Sodium Bisulphite


How will you prepare acetic anhydride from acetic acid.


How will you prepare Acetic anhydride from acetic acid.


How will you prepare Acetic anhydride from acetic acid.


Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.


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