Colligative Properties of Dilute Solutions, Chemical Kinetics and Photochemistry (Chemistry Paper-I) Bihar B.Sc Six Semester

Unit

Topics to be covered

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No. of

Lectures

1.

Colligative Properties of Dilute Solutions:

Colligative properties of solutions, Henry’s law, Raoult’s law (thermodynamic derivation), ideal and non-ideal solutions, azeotropes, thermodynamic derivation and experimental determination of relative lowering in vapour pressure, elevation in boiling point, depression in freezing point and osmotic pressure, abnormal colligative properties due to association and dissociation of solutes in solutions, van’t Hoff’s factor, abnormal molar mass, applications of colligative properties in determining molar mass of solutes, degree of dissociation and association.

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foy;uksa ds v.kqla[; xq.k/keZ] gsujh dk fu;e] jkmYV dk fu;e ¼Å"ekxfrdh O;qRifÙk½] vkn'kZ vkSj vukn’kZ foy;u] ,ft;ksVªksi] ok"inkc ds vkisf{kd voueu dh Å"ekxfrdh O;qRifÙk vkSj çk;ksfxd fu/kkZj.k] DoFkukad mUu;u] fgekad voueu vkSj  ijklj.k nkc] foy;u esa foys; ds laxq.ku vkSj fo;kstu ds dkj.k vlkekU; v.kqla[; xq.k/keZ] okWUV g‚Q xq.kkad] vlkekU; eksyj æO;eku] foys; ds eksyj æO;eku] fo;kstu vkSj la;kstu dh dksfV fu/kkZfjr djus esa v.kqla[; xq.k/keksaZ ds vuqç;ksxA

15

2.

Kinetics of Elementary Reactions:

Rate laws of first, second, third and zero order reactions, methods of determination of order of reactions, temperature dependance of reaction rate, Arrhenius equation, Activation energy, Collision theory and transition state theory of reaction rates.

Catalysis: Theory and applications.

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çFke] f}rh;] r`rh; vkSj 'kwU; dksfV vfHkfØ;kvksa ds nj fu;e] vfHkfØ;kvksa dh dksfV ds fu/kkZj.k dh fof/k;k¡] vfHkfØ;k nj dh rkieku ij fuHkZjrk] vkgsZfu;l lehdj.k] lfØ;.k ÅtkZ] vfHkfØ;k njksa dk la?kV~V fl)kar vkSj laØe.k voLFkk fl)karA

mRÁsj.k& fl)kar vkSj vuqç;ksxA

12

3.

Kinetics of Complex Reactions:

Steady state approximation, integrated rate expression (first order only) for the

i)         Opposing reactions

ii)       Parallel reactions and

iii)      Consecutive reactions.

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fLFkj voLFkk lfUudVu] lekdfyr nj O;atd ¼dsoy çFke dksfV½

i)         çfrorhZ ¼mRØe.kh;½ vfHkfØ;k,¡

ii)       lekukarj vfHkfØ;k,¡ vkSj

iii)      Øekxr vfHkfØ;k,¡A

12

4.

Photochemistry:

Introduction, consequences of light absorption, Lambert-Beer’s law, laws of photochemistry, Grotthus-Draper law, Stark-Einstein law of photochemical equivalence, quantum yield, photochemical reactions (H₂ + Cl₂, H₂ + Br₂, decomposition of HI), photochemical rate laws, energy transfer in photochemical reactions, Jablonski diagram, photosensitization, fluorescence, phosphorescence and chemiluminescence.

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ifjp;] çdk'k vo'kks"k.k ds ifj.kke] ySEcVZ&ch;j dk fu;e] çdk'k jlk;u ds fu;e] xzksFkl&Mªsij fu;e] çdk'k jklk;fud rqY;rk dk LVkdZ&vkbaLVhu fu;e] DokaVe yfC/k] çdk'k jklk;fud vfHkfØ;k,¡ ¼H₂ + Cl₂, H₂ + Br₂] HI dk vi?kVu½] çdk'k jklk;fud nj fu;e] çdk'k jklk;fud vfHkfØ;kvksa esa ÅtkZ LFkkukarj.k] tsCyksULdh vkjs[k] çdk’k lqxzkghdj.k] çfrnhfIr] LQqjnhfIr vkSj jklk;fud&lanhfIrA  

09

Total

dqy

48