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

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

संबंधित प्रश्न

Addition of sodium bisulphite to ethanol is ____________ type of reaction.


Write reactions for the action of the following reagents on p-chlorobenzaldehyde.

Tollen’s reagent


Aldol condensation between which of the following compounds followed by dehydration gives 4-Methylpent-3-en-2-one?


Which of the following is Schiff's reagent?


ln which of the following reactions, both oxidised and reduced forms of the same compound are obtained?


Compounds of general formula, are called ____________.

\[\begin{array}{cc} \phantom{...}\ce{R}\phantom{....}\ce{OR''}\phantom{}\\ \phantom{}\backslash\phantom{..}/\\ \ce{C}\\ \phantom{}/\phantom{..}\backslash\\ \phantom{...}\ce{R'}\phantom{...}\ce{OR''}\phantom{} \end{array}\]


Which of the following does not give yellow solid on treatment with sodium hypoiodlte?


Following reaction is an example of ____________.

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


The number of α-H atoms in butanal is ____________.


Which of the following is a Wolf - Kishner reduction?


Which of the following reagents is used for the following conversion?

\[\ce{CH3 - CH = CH - CHO -> CH3 - CH = CH - CH2OH}\]


\[\ce{Benzoic acid ->[i) NH3][ii) \Delta] A ->[NaOBr] B ->[NaNO2/HCl] C}\] ‘C’ is:


Identify the product formed in the reaction.


In which case, chiral carbon is not generated by reaction with HCN.


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

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


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


Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their ____________.


Identify X and Y.

\[\ce{CH3COCH2CH2COOC2H5 ->[CH3MgBr] X ->[H3O^+] Y}\]


How will you convert benzaldehyde into the following compound?

Benzoic acid


What is the action of HCN on ethanal?


How will you prepare acetic anhydride from acetic acid?


How will you prepare cinnamic acid from benzaldehyde?


How will you prepare acetaldehyde from ethyne?


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 ______.


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


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


How are the following compound obtained from alkyne?

Acetone


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


How will you prepare Acetic anhydride from acetic acid.


How will you prepare Acetic anhydride from acetic acid.


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