To Detect One Acidic And One Basic Radical from given unknown organic salt | Salt Analysis Experiment : Al2(So4)3 Chemistry Class 12 CBSE Full Practical

To Detect One Acidic And One Basic Radical from given unknown organic salt | Salt Analysis Experiment : Al2(So4)3 Chemistry Class 12 CBSE Full Practical

The blog post focuses on the CBSE Class 12 Chemistry Salt Analysis Practical : To identify and detect the Acidic and Basic radical from the given unknown organic salt. We have included all necessary writing points that of Aim, Materials Required, Physical Observations, Observation Table, Procedure, Chemical Reactions separately for Acidic and Basic Radicals, Result and Precautions.

If you found this information helpful for your Class 12th practical's, kindly share this blog with others. If you have any doubts or questions regarding the content, please feel free to comment below, and we will be glad to assist you. This practical experiment for Class 12 CBSE Chemistry focuses on detecting an acidic and basic radical salt using Aluminum sulfate (Al2(SO4)3) as an example. 

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Aim - To identify the acidic radical and basic radical from the given unknown organic salt .

Materials Required - Salt , Reagents , Equipment's

Physical Observations - 

=> Color Of the Salt : White Powder like

=> Odor of the Salt : No characteristic smell

=> Solubility of the Salt : Soluble in Water 

Observation Table - 

TABLE 1 : Table to test for basic radical for the organic unknown salt.

EXPERIMENT	OBSERVATION	INFERENCE
Salt + NaOH	No Effect (No ammoniacal smell)	'0' Group Absent (Not NH4+)
Salt + dil.HCl	No Effect (No white ppt.)	'1' Group Absent (Not Pb2+)
Salt + dil.HCl + H2S	No Effect (No Black/Yellow ppt.)	'2' Group Absent (Not Pb2+,Cu2+,As3+)
Salt + NH4Cl(s) + NH4OH(l)	Ammoniacal smell & Gelatinous white ppt appear	Maybe 3rd Group present, might be Al3+
Salt + NH4Cl + NH4OH(excess) + dil.HCl + Blue Litmus Soln             [LAKE TEST]	Blue Lake ppt. appear	Al3+ confirmed

TABLE 2 : Table to test for acidic radical for the organic unknown salt. 

EXPERIMENT	OBSERVATION	INFERENCE
Salt + dil. H2SO4	No Effect	Dilute Acid Group is Absent
Salt + conc. H2SO4	No Effect	Concentrated Acid Grp is Absent
Salt + dil. HCl + BaCl2	Insoluble milky white ppt. appear	SO42- is confirmed

Result - In the given salt, Al+3 is the basic radical and SO4-2 is the acidic radical, hence the given salt is aluminum sulphate, Al2(SO4)3 . 

Precautions - Wash the apparatus before use.

                     - Add the related reagents carefully.

                     - Observe the color and the effects carefully.

                     - Handle the acids carefully.

                     - Use Protection Equipment's like Glasses and Lab Coats.

Chemical Reactions - 

# Test for Basic Radical ~

# Test for Acidic Radical ~

Conclusion - Through this experiment, the acidic and basic radicals present in Aluminum sulfate (Al2(SO4)3) were successfully detected. The reactions with sodium hydroxide, hydrochloric acid, barium chloride, potassium iodide, sulfuric acid, and calcium hydroxide provided distinct observations, indicating the presence of both acidic and basic radicals in the salt. This experiment helps enhance the understanding of acid-base reactions and their detection in a practical setting, which is crucial for Class 12 CBSE Chemistry students.

Note: If you found this information helpful for your Class 12th practicals, kindly share this blog with others. If you have any doubts or questions regarding the content, please feel free to comment below, and we will be glad to assist you.