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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Complete the synthesis by giving missing starting material, reagent or product. CHO COOH ->[NaCN/HCl]

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प्रश्न

Complete the synthesis by giving missing starting material, reagent or product.

रासायनिक समीकरण/संरचनाएँ
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उत्तर

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अध्याय 8: Aldehydes, Ketones and Carboxylic Acids - Exercises [पृष्ठ २५७]

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एनसीईआरटी Chemistry Part 1 and 2 [English] Class 12
अध्याय 8 Aldehydes, Ketones and Carboxylic Acids
Exercises | Q 8.17 (vi) | पृष्ठ २५७

संबंधित प्रश्न

Predict the products of the following reactions:

 


Write the structures of the main products when acetone (CH3 − CO − CH3) reacts with the following reagent :

H2N − NHCONH2/H+


Write the products formed when CH3CHO reacts with the following reagents : HCN

 


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.

Ketal


Predict the products formed when cyclohexanecarbaldehyde reacts with the following reagents.

Excess ethanol and acid


Explain the mechanism of alkaline hydrolysis of tert-butyl bromide with energy profile diagram.


How are the following compounds prepared?

benzaldehyde from benzoyl chloride


Write balanced chemical equations for action of ammonia on - acetone


How will you convert sodium acetate to methane?


Write the main product formed when propanal reacts with the following reagents: 
H2N- NH2  followed by heating with KOH in ethylene glycol.


Alkenes   and carbonyl compounds , both contain a π bond but alkenes show electrophilic addition reactions whereas carbonyl compounds show nucleophilic addition reactions. Explain.


What is the action of sodium hypoiodite on acetone?


Draw structure of the following derivative.

The ethylene ketal of hexane-3-one


Why dissociation of HCN is suppressed by the addition of HCL?


Draw structure of the following derivative.

The ethylene ketal of hexan-3-one


Draw structures of the given derivatives.

The ethylene ketal of hexan-3-one


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