मराठी
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

Advertisements
Advertisements

प्रश्न

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

Benzoic acid and Ethyl benzoate

रासायनिक समीकरणे/रचना
फरक स्पष्ट करा
Advertisements

उत्तर

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

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

APPEARS IN

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

संबंधित प्रश्‍न

Predict the products of the following reactions :


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

Acetophenone and Benzophenone


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

Benzaldehyde and Acetophenone


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


Oxidation of ketones involves carbon-carbon bond cleavage. Name the products formed on oxidation of 2, 5-dimethylhexan-3-one.


Solvent used for dewaxing of petroleum products are


Acetone and acetaldehyde are differentiated by


Acetaldehyde cannot show?


Fehilng's test is positive for


Ammonical silver nitrate solution is called


Which of the following tests/reactions is given by aldehydes as well as ketones?


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


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)


An organic compound 'A' with molecular formula C5H8O2 is reduced to n-pentane with hydrazine followed by heating with NaOH and glycol. 'A' forms a dioxime with hydroxylamine and gives a positive iodoform and Tollen's test. Identify 'A' and give its reaction for iodoform and Tollen's test.


An organic compound 'A' with the molecular formula C4H8O2 undergoes acid hydrolysis to form two compounds 'B' and 'C'. Oxidation of 'C' with acidified potassium permanganate also produces 'B'. Sodium salt of 'B' on heating with soda lime gives methane.

  1. Identify 'A', 'B' and 'C'.
  2. Out of 'B' and 'C', which will have higher boiling point? Give reason.

Match List-I with List-II:

  List-I
(Reaction)
  List-II
(Reagents/Condition)
A. I.
B. II. CrO3
C. III. KMnO4/KOH, Δ
D. IV. (i) O3 (ii) Zn-H2O

Choose the correct answer from the options given below:


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×