CHEMISTRY LABORATORY

Paper Code: 
CHY 303
Credits: 
2
Contact Hours: 
60.00
Max. Marks: 
100.00
Objective: 

Course Objectives:

This course will enable the students to -

  • provide ample training in the synthesis of different inorganic complexes and identification of given organic compound.
  • develop experimental skills of thermochemistry.

 

Course Outcomes (COs): 

Course Outcomes

Teaching Learning Strategies

Assessment Strategies

  
 

On completion of this course, the students will be able to –

CO45: prepare inorganic complexes.

CO46:  predict the different types of functional groups in organic compounds and determine melting and boiling points and derivative preparation.

CO47: measure enthalpy of neutralization and ionization for different acid-base combinations.

 
  • Demonstration
  • Discussion
  • Presentations

 
  • The oral and written examinations (Scheduled and surprise tests)
  • Quiz
  • Presentation
  • Individual and group projects
  
 

 

Unit I: 

Inorganic Chemistry

Synthesis of co-ordination complexes                                              14 Hrs

  1. Preparation of Prussian blue Fe4[Fe(CN)6]3
  2. Preparation of Sodiumtrioxalatoferrate (III)
  3. Preparation of cis and trans-bisoxalatodiaquachromate (III).
  4. Preparation of Bis-Dimethylglyoxime-nickel (II)
  5. Preparation of Chloropentamminecobalt(III)chloride

Organic Chemistry                                                                            38 Hrs

Qualitative Analysis

Identification of an organic compound (solid and liquid) through the element detection, functional group analysis, determination of melting point/ boiling point and preparation of suitable derivatives.                                               

Physical Chemistry                                                                            8 Hrs

Thermochemistry

  1. To determine the enthalpy of neutralization of strong acid and strong base.
  2. To determine the enthalpy of neutralization of weak acid/base versus strong base/acid and determine the enthalpy of ionization of weak acid/base.

 

Essential Readings: 
  • University Practical Chemistry, Second Edition; P.C. Kamboj, Vishal Publishing House, New Delhi,2019.
  • Advanced Practical Inorganic Chemistry, Twenty Third Edition; Gurdeep Raj; Goel Publishing House, Meerut 2013.
  • Advanced Practical Organic Chemistry; Jag Mohan; Himalaya Publishing House ,1992.

 

References: 

 

SUGGESTED READINGS:

  • Vogel’s Textbook of Practical Organic Chemistry, Fifth Edition; B.S. Furniss, A.J. Hannaford, P.W.D. Smith, A.R. Tatchell; Pearson Education, New Delhi, 2003.
  • Advanced Practical Organic Chemistry, Third Edition; N.K. Vishnoi; Vikas Publishing House, New Delhi, 2009.

e-RESOURCES:

 

 

Scheme of Examination

 

The duration of examination will be 4 hrs.

The following exercises will be set in the examinations

·       Inorganic Synthesis                                                            18 marks

·       Detection of Organic Compound                                           24 marks

·       Physical Chemistry                                                              16 marks

·       Viva                                                                                   12 marks

Total                                                                                      70 marks

 

Inorganic Synthesis

This exercise carries 18 marks. Four marks out of 18 are reserved for neat, methodical and systematic working. The exercise amongst the candidates will be allotted by lot.

The yield, purity and proper presentation of the compound shall be taken into account while awarding marks.

 

Detection of organic compound

This exercise carries 24 marks. The distribution of marks will be as follows.

·       Physical properties: colour, state, odour                               1 mark

·       Ignition test (Aliphatic/Aromatic)                                         1 mark

·       Solubility                                                                           1 mark

·       Action on litmus paper                                                        1 mark

·       Element detection                                                              4 marks

·       Detection of functional group: Preliminary test                       2 marks

·       Confirmatory test of functional groups                                   4 marks

·       M.P./B.P.                                                                             2 marks

·       Confirmatory test of compound                                             2 marks

·       Derivative – procedure & m.p.                                               2 marks

·       Result                                                                                 4 marks

 

 

Physical Chemistry Experiment:

The exercise carries 16 marks. 4 marks shall be awarded for preparatory work, setting up of an apparatus, neat and methodical work.

Eight marks will be awarded for correct observation, use of correct formula, calculation and result within permissible limits

·       Theory and procedure                                                         3 marks

·       Correct observation and proper recording                              3 marks

·       Use of correct formula and calculation                                   3 marks

·       Result                                                                                3 marks

 

Viva:

Oral questions shall generally be asked over the work assigned to the candidate. The purpose is to find out as to what extent the candidate has understood the basic principles of chemistry.

Academic Year: 
2022-2023
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