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chemistry 3rd important question for for bsc

UNIT I 1) what is a chelating ligand? cite an example. [2015 AU] Ans:- 2) predict which ligands satisfy the p...







UNIT I
1) what is a chelating ligand? cite an example. [2015 AU]




2) predict which ligands satisfy the primery and secondary valencies of copper in [Cu{NH3}4]SO4. [2015 AU]

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3) Draw the geometrical and optical isomers of [Co(en)2Cl2] +ve. [2016 AU]

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4) explain why square planner complexes with cordination number four geometrical isomerism where as tetrahedral complexes do not. [2012 AU]

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5) write a short note on ionisation and linkage isomerism. [2016 AU]




7) 


UNIT II


5) Write the difference between the artificial transmutation and artificial radioactivity. [2016, 2012 AU]




6) Define (4n + 1) radioactive series. [2015 AU]




7) Write one use of radioisotops in the field of medicine. [2016 AU]

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8) write the exponential form of the rate equation for the radio active disintegration and from this equation show that radioacitive disintegartion takes infinte time for completion.

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UNIT III

8) what are the bulk essential elements and trace essential elements present in the biological system. give example. [2016 AU]

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9) What is heme group. [2016 AU]

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10) Distinguish between hemoglobin and myoglobin. [2016 AU]

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11) write the role of hemoglobin and myoglobin in the oxygen transportation. [2012 AU]

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11) What do you mean by the term 'toxic in the biological system. [2016 AU]

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UNIT IV


12) Describe briefly the menufracture of mono-ammonium phosphate. [2016, 2012 AU]

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13) How is muriate of potash menufractures. [2016 AU]

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UNIT V


14) What happen when a) succinic acid is heated above its melting point. b) thalic acid is heated with soda lime? c)formic acid is warmed with tollen's reagent. b)oxalic acid is heated with concentrated H2SO4 [2016 ,2012 AU]

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15) Write one method for the preparation of benzoic acid. [2016 AU]

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16) write a method for preparation of pthalic acid. [2012 AU]

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16) briefly describe the menufracture of urea. [2012 AU]

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UNIT VI



16) What is zwitter ion. [2016, 2012 AU]




17) What are essential and non-essential amino acids? cite one example of each type. [2016 AU]




18) What are amino acids? why they are important. [2016 AU]




19) What happen when glycine is heated with Ba(OH)2 solution. [2016 AU]

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20) what happen when alanin is heated with barium hydroxide. [2012 AU]

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21) write a method for the preparation of α-amino acid. [2012 AU]



UNIT VII

20) How can nitrobenzene can be converted into benzoic acid. [2016 AU]

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21) Describe a reaction to distinguish between nitroalkane and alkyl nitrile. [2016 AU]

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UNIT VIII



20) What are sugar? cite an example. [2016, 2012 AU]

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21) How you can convert D-gloude to D-arabinose. [2016, 2012 AU]

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22) What happen when D-glocuse is treated with hydrogen cyanide. [2016 AU]

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23) define mutarotation of carbohydrates. [2012 AU]



24) what happen when glocuse is traeted with bromin water. [2012 AU]

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UNIT IX


23) What are the limitation of first low of thermodynamics. [2016, 2012 AU]

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24) what is entropy. [2012 AU]

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UNIT X


24) Wrte down the gibbs-helmholtz equation and mention its signifiance. [2016 AU]

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25) write the physical significane of Gibbs-free-energy function. [2012 AU]

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25) Deduce ∆G = ∆H - T∆S. [2016 AU]

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26) At what temperatre the entrophy of perfectly crystaline substance is zero. [2016, 2012 AU]

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27) show that at constant temperature and pressure ∆G = - T∆S


UNIT XI


27) how does heat of reaction very with temperature. [2016 AU]

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28) define the enthalpy of sublimation. [2016, 2012 AU]

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29) show that Hess's low of constant heat summation is a corollary of the first low of thermodynamics. [2012 AU]

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UNIT XII


29) define sipole moment. [2016 AU]

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31) Explain refrective index. [2016 AU]

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32) Explain ferromegnetism. [2016 AU]

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33) Explain optical activity. [2012 AU]

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34) Explain Dipole moment. [2012 AU]

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30) How do you ascertain a molecule to be polar and non-polar molecule. [2016 AU]

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31) write the Claueius-Mosotti equation and explain the term involved in it. [2012 AU]

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SITwithSIR: chemistry 3rd important question for for bsc
chemistry 3rd important question for for bsc
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