M.Sc. (Semester IV) (CBCS) Examination Nov/Dec-2018
Inorganic Chemistry
CO-ORDINATION CHEMISTRY II
Time: 2½ Hours
Max. Marks: 70
Instructions: Attempt in all five questions. Section I is compulsory Attempt any two questions from section II and section III. Answer to all questions (Section II and III) should be written in same answer book. All questions carry equal mark. Figures to right indicate full marks. Use of log table and calculator is allowed.
Section I
Q.1
Answer the following:
14
Define the term activation energy?
Define acid hydrolysis?
Polarization theory of trans effect is based on which concept.
What is the role of Nicol prism in the polarimetry?
Give two metallocenes which give photochemical reaction?
What is full form of CTTS?
Predict the rate of dissociative mechanism when increase the negative charge of entering group?
Which of the following is labile complex.[Fe(H2O)6]2+ (high spin)
Give the kinetics of SN1CB reaction?
What do you mean by intermediate complex?
If nL> nR, then plane of plane polarized light is rotated to which side?
Define ORD?
Recemic mixture is optically active. State true or false?
Define photochemical reaction.
Section II
Q.2
Discuss the relationship between Optically Rotatory Dispersion and Circular Dichroism curves.
07
Explain the term photochemistry of metallocene.
07
Q.3
What are acid hydrolysis reaction? Explain acid hydrolysis of Co complexes by considering effect of chelation.
07
Describe the inner sphere electron transfer mechanism. Explain two electron transfer process.
07
Q.4
Explain kinetic inertness and lability of metal complexes on the basis of crystal field theory.
07
State the silent features of SN1 and SN2 mechanism of octahedral metal complexes.
07
Page 2 of 2
SLR-VF-198
Section III
Q.5
Give the evidence to support SN2 reaction mechanism of square planner complex.
05
What is anation reaction? Explain the mechanism with an example.
05
Explain the mechanism involved in isomerisation reaction in octahedral complexes.
04
Q.6
What is the role of bridging ligand in inner sphere electron transfer mechanism?
05
Define the photochemistry. Explain the concept of quantum yield in photochemistry.
05
What do you understand by active complex, activated energy and transition state? Explain with graphical representation.
04
Q.7
Write a note on any Three of the following.
14
Investigation of optical active compounds.
Photo oxidation- reduction reaction in complexes.
Base hydrolysis
Cis effect