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(CHE2SLC) (1303-2LC)
B.Sc. DEGREE EXAMINATION, APRI L 2024.
(Regular)
P U 'S!; 'Ye ar - Second Semester
Part II -- Cher:nistr~'
Paper II - GENERAL AND lNORGANIC CHEMISTRY
MINOR - I)
'rime : Three hour.· l\1axim urn . 70 m arKS
S~~CTION A - (5 x 2 =- 10 marks)
Answer anv Fl VE of 1.he folluwing.
1. Explnil1 lhe sigmficance l)f wave functiont: I,j/ •
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2. Stall' and Explain Pi~l'io (lit.1Hw .
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";7 Define Lallice Energy.
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'\ Illw=ltraLe the structUl"e of Ammonia NHl hy VSEPR model.
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!1.~ Give the geometry of RpCb.
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,6. Give an Ilh 18Lrat ive p.xampJe for molecule having intramolec ubr H yd rogen bondmg.
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7. What is a L ewis acid give examn le?
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8, Define Salt Hydroiys lOJ'
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SECTION B - (5 x 4 = 20 ma rks)
Answer any FIVE of the following.
9. State and explaIn Aufbau's principle (Sequence of energy levels)
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10. Explain Fajan's rules in detail.
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11. Explain the hybridization of atomic orbitals.
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12. Give an account on Iso electronic principl".
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la. Write a note on free electron theo
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14. Write a note on Arhenious theory uf acids and buses.
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15. Define pH, pka and pkb.
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] 6. Wrtte a note on St.:hrodmger wave equation.
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FCTION C - (5 x 8 = 40 marks)
Am~wer any FIVE of the following questions.
1..'7. WrJ tc a note on the following:
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(a) Heisenberg's uncertainity princlple
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(b) Pauli's Exclusi.on pnnClple.
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2 (130 3-2LC)
18. Explain the following:
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(a) Inert - pail' effect
re~- ~e) Lj~~o (Inert - pair effect)
(b) Variable valency.
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19. Define E nthalpy and t he ~tep8 in the process of BOl'n-H aber cycle .
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20. ExpL'lin the favorable conditions (foul' main proper1..les) for t he form a tion of lomc compounds.
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21. Explain VSEPR theory with any example.
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22. Define bondmg and anti bonding molecular'orbitals and draw the molecular orbital energy
diagram for 0 2 (o.xygen) molecule.
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23. Basing on B:md theory of metals. Explain conducLOrs, semi-conductor and Insulator
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~4; Differentiate rnb'a and Inter molecular Hydrogen bonding a nd give a note on Vaanderwaal's
forces.
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25. Explain Bronsted - Lowry theory in detail.
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26. Explain Pearson's Concept (HSAB principle) and its importance.
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3 (1303-2LC)
