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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: Benzoic acid and Ethyl benzoate

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प्रश्न

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

Benzoic acid and Ethyl benzoate

रासायनिक समीकरण/संरचनाएँ
अंतर स्पष्ट करें
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उत्तर

Benzoic acid in reaction with sodium bicarbonate liberates CO2 gas with vigorous effervescence, whereas ethyl benzoate does not.

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अध्याय 8: Aldehydes, Ketones and Carboxylic Acids - Exercises [पृष्ठ २५६]

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

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

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  1. Identify (A), (B) and (C).
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Write chemical test to distinguish between the following compounds:

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An organic compound neither reacts with neutral ferric chloride solution nor with Fehling solution. It however, reacts with Grignard reagent and gives positive iodoform test. The compound is:


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: 


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