CBSE Class 11 Chemistry Practical Syllabus

A. Basic Laboratory Techniques

• Cutting glass tube and glass rod
• Bending a glass tube
• Drawing out a glass jet
• Boring a cork

B. Characterization and Purification of Chemical Substance

• Determination of melting point of an organic compound.
• Determination of boiling point of an organic compound.
• Crystallization involving an impure sample of any one of the following:
  a. Alum, Copper Sulphate, Benzoic Acid.

C. Experiments Related to pH Change

(a) Any one of the following experiments:

• Determination of pH of some solutions obtained from fruit juices, solutions of known and varied concentrations of acids, bases and salts using pH paper or universal indicator.
• Comparing the pH of solutions of strong and weak acids of the same concentration. Study the pH change in the titration of a strong acid with a strong base using a universal indicator.

(b) Study of pH change by common-ion effect in case of weak acids and weak bases.

D. Chemical Equilibrium

One of the following experiments:

(a) Study the shift in equilibrium between ferric ions and thiocyanate ions by increasing /decreasing the concentration of either of the ions.

(b) Study the shift in equilibrium between [Co(H2O)6] 2+and chloride ions by changing the concentration of either of the ions.

E. Quantitative Estimation

• Using a chemical balance.
• Preparation of standard solution of oxalic acid.
• Determination of strength of a given solution of sodium hydroxide by titrating it against standard solution of oxalic acid.
• Preparation of standard solution of sodium carbonate.
• Determination of strength of a given solution of hydrochloric acid by titrating it against standard sodium carbonate solution.

F. Qualitative Analysis

(a) Determination of one anion and one cation in a given salt.

Cations: Pb²⁺, Cu²⁺, As³⁺, Al³⁺, Fe³⁺, Mn²⁺ , Zn²⁺,  Co²⁺, Ni²⁺, Ca²⁺, Sr²⁺, Ba²⁺, Mg²⁺, NH₄⁺

Anion: (CO₃)^2‒, S^2‒, (SO₃)^2‒, (NO₂)^‒, Cl^‒, I^‒, PO₄^3‒, (C₂O₄)^2‒, CH3COO^‒, NO₃^– (Note: Insoluble salts excluded)

(b) Detection of nitrogen, sulphur, chlorine, in organic compounds.