AIM – Test and identify the functional gropu in a given organic compound.
Physicla state – Liquid
Colour – Colourless
Odour – Pungent smell
Solubility in water – Soluble in water
|
S.No. |
Experiment |
Observations |
Inference |
|
1 |
Nature of the compound – Put a drop of loquid or water solution on moist blue and red litmus paper |
No Reaction |
Organic compound is neutral |
|
2 |
Burning Test : Take some organic compount on copper wire and bring it in to flame |
The compound bruns with non-sooty blue flame |
Compound is aliphatic |
|
3 |
Detection of element– Lassaigne solution + NaOH + freshly prepared FeSO4 solution |
Green ppt | |
|
Add few drops of dil H2SO4 |
Solution does not turns green or blue |
N absent | |
|
4 |
Test for Functional group Organic compound + 2,4-dinitrophenyl hydrazine |
Yellow ppt is formed |
Carbonyl gropu present |
|
5 |
Organic compound +Tollen’s reagent + heat |
Silver mirror is formed |
-CHO group present |
|
6 |
Equal amount of Fehling’s solution A and B + organic compound + heat |
Red ppt is formed |
-CHO group present |
|
7 |
Organic compound +Sodium nitropruside |
No red solution formed |
Ketonic group absent |
Result- Aldehyde group (-CHO) is present in the given organic compound.