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

Give a simple chemical test to distinguish between the following pair of compounds: Acetophenone and Benzophenone

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प्रश्न

Give a simple chemical test to distinguish between the following pair of compounds:

Acetophenone and Benzophenone

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उत्तर

Acetophenone gives iodoform test, but benzophenone does not.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 8: Aldehydes, Ketones and Carboxylic Acids - Exercises [पृष्ठ २५६]

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एनसीईआरटी Chemistry Part 1 and 2 [English] Class 12
पाठ 8 Aldehydes, Ketones and Carboxylic Acids
Exercises | Q 8.13 (ii) | पृष्ठ २५६

संबंधित प्रश्‍न

Give a simple chemical test to distinguish between the following pair of compounds:

Ethanal and Propanal


A and B are two functional isomers of compound C3H6O.On heating with NaOH and I2, isomer B forms yellow precipitate of iodoform whereas isomer A does not form any precipitate. Write the formulae of A and B.


Give a simple chemical test to distinguish between the following pair of compounds :

CH3CH2CHO and CH3CH2COCH3


Give a simple chemical test to distinguish between the following pair of compounds:

Pentan-2-one and Pentan-3-one


Which of the following compounds will give butanone on oxidation with alkaline \[\ce{KMnO4}\] solution?


Solvent used for dewaxing of petroleum products are


Acetone and acetaldehyde are differentiated by


Acetaldehyde cannot show?


A hydrocarbon (A) with molecular formula C5H10 on ozonolysis gives two products (B) and (C). Both (B) and (C) give a yellow precipitate when heated with iodine in presence of NaOH while only (B) give a silver mirror on reaction with Tollen’s reagent.

  1. Identify (A), (B) and (C).
  2. Write the reaction of B with Tollen’s reagent.
  3. Write the equation for iodoform test for C.
  4. Write down the equation for aldol condensation reaction of B and C.

Write chemical test to distinguish between the following compounds:

Phenol and Benzoic acid


What is the composition of Fehling's reagent?


Which among the above compound/s does/do not form Silver mirror when treated with Tollen's reagent?


The correct set of products obtained in the following reactions:

  1. \[\ce{RCN ->[reduction]}\]
  2. \[\ce{RCN ->[(i) CH3MgBr][(ii) H2O]}\]
  3. \[\ce{RNC ->[hydrolysis]}\]
  4. \[\ce{RNH2 ->[HNO2]}\]

Choose the reaction which is not possible: 


In Tollen's test for aldehyde, the overall number of electrons(s) transferred to the Tollen's reagent formula \[\ce{[Ag(NH3)2]+}\] per aldehyde group to form silver mirror is ______. (Round off to the nearest integer)


The reagent that can be used to distinguish acetophenone and benzophenone is ______.


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