Advertisements
Advertisements
प्रश्न
Distinguish between: CH3COOH and HCOOH
Advertisements
उत्तर
Formic acid gives the silver mirror test on treating with ammoniacal silver nitrate. Acetic acid does not give this test.
HCOOH + 2[Ag (NH3)2] NO3 →2Ag + CO2 + 2NH4NO3 + 2NH3
APPEARS IN
संबंधित प्रश्न
Distinguish between:
C6H5-COCH3 and C6H5-CHO
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.
Out of CH3CH2 – CO – CH2 – CH3 and CH3CH2 – CH2 – CO – CH3, which gives iodoform test?
Give a simple chemical test to distinguish between the following pair of compounds:
Benzoic acid and Ethyl benzoate
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 gives a positive Tollen's test but negative Fehling's test?
Which among the above compound/s does/do not form Silver mirror when treated with Tollen's reagent?
The major products formed in the following reaction sequence A and B are:
The correct set of products obtained in the following reactions:
- \[\ce{RCN ->[reduction]}\]
- \[\ce{RCN ->[(i) CH3MgBr][(ii) H2O]}\]
- \[\ce{RNC ->[hydrolysis]}\]
- \[\ce{RNH2 ->[HNO2]}\]
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.
- Identify 'A', 'B' and 'C'.
- Out of 'B' and 'C', which will have higher boiling point? Give reason.
