English
Karnataka Board PUCPUC Science 2nd PUC Class 12

Give a simple chemical test to distinguish between the following pair of compounds: Benzoic acid and Ethyl benzoate

Advertisements
Advertisements

Question

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

Benzoic acid and Ethyl benzoate

Chemical Equations/Structures
Distinguish Between
Advertisements

Solution

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

shaalaa.com
  Is there an error in this question or solution?
Chapter 8: Aldehydes, Ketones and Carboxylic Acids - Exercises [Page 256]

APPEARS IN

NCERT Chemistry Part 1 and 2 [English] Class 12
Chapter 8 Aldehydes, Ketones and Carboxylic Acids
Exercises | Q 8.13 (iv) | Page 256

RELATED QUESTIONS

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

Ethanal and Propanal


Predict the products of the following reactions :


How will you convert ethanal into the following compound?

But-2-enoic acid


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:

Phenol and Benzoic acid


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

Pentan-2-one and Pentan-3-one


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.


\[C_6 H_5 - OH \to^{{Br}_2 \left( aq \right)} ?\]

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


Fehilng's test is positive for


Ammonical silver nitrate solution is called


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?


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. \[\ce{RNH2 ->[HNO2]}\]

You are given four organic compounds “A”, “B” , “C” and “D”. The compounds “A”, “B” and “C” form an orange-red precipitate with 2, 4 DNP reagent. Compounds “A” and “B” reduce Tollen’s reagent while compounds “C” and “D” do not. Both “B” and “C” give a yellow precipitate when heated with iodine in the presence of NaOH. Compound “D” gives brisk effervescence with sodium bicarbonate solution. Identify “A”, “B”, “C” and “D” given the number of carbon atoms in three of these carbon compounds is three while one has two carbon atoms. Give an explanation for our answer.


Benzaldehyde is obtained from Rosenmund’s reduction of:


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×