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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

The following compounds will give positive Fehling’s test.

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प्रश्न

The following compounds will give positive Fehling’s test.

पर्याय

  • Propanone

  • Pentan-3-one

  • Butanone

  • Butanal

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उत्तर

Butanal

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पाठ 12: Aldehydes, Ketones and Carboxylic acids - Multiple choice questions

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एससीईआरटी महाराष्ट्र Chemistry [English] Standard 12 Maharashtra State Board
पाठ 12 Aldehydes, Ketones and Carboxylic acids
Multiple choice questions | Q 7

संबंधित प्रश्‍न

Write reaction showing aldol condensation of cyclohexanone.


Write a reaction to distinguish acetaldehyde from acetone.


Which of the following compounds does NOT undergo aldol condensation?


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


Fehling solution is ____________.


Acetone on Clemmensen reduction gives ____________.


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

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


\[\ce{CH2 = CH2 ->[i) O3][ii) Zn/H2O] X ->[NH3] Y}\] ‘Y’ is:


Assertion: 2, 2-dimethyl propanoic acid does not give HVZ reaction.

Reason: 2-2, dimethyl propanoic acid does not have α-hydrogen atom.


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

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


How will you convert benzaldehyde into the following compound?

Benzophenone


How will you convert benzaldehyde into the following compound?

Benzoic acid


What is the action of HCN on ethanal?


How is the following conversion effected propanal into butanone?


How will you prepare ethyl acetate from methyl acetate?


How will you prepare acetamide from methyl cyanide?


How will you prepare acetophenone from acetyl chloride?


Which of the following compound will show a positive silver mirror test?


Primary nitroalkanes are obtained in good yield by oxidising aldoximes with the help of ______.


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


Which of the following compound will give positive iodoform test?


What is the number of different products formed when mixture of ethanal and propanal reacts with aq. NaOH after warming?


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.


What is the action of hydrogen cyanide on the following?

Acetone


How will you prepare Acetic anhydride from acetic acid.


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


How will you prepare acetic anhydride from acetic acid?


Nitration of the compound is carried out; this compound gives a red-orange ppt. with 2,4-DNP, this compound undergoes the Cannizzaro reaction but not aldol, then possible product due to nitration is:


Which from following compounds does NOT undergo haloform reaction?


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