BSc Chemistry SEM I 2019 20 Nov 2019-20 CHEMISTRY PAPER II Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 A. Select the correct option
   • A) Percentage of Carbondioxide present in atmosphere
   • B) C-P are
   • C) -------------is a allotrope of carbon
   • D) Chemical formula of slaked lime is
   • a) Ca(OH)2
   • E) D and L lactic acids are other
   • F) outer electronic configuration of group 17 elements is
   • G) Chiral carbon has ------------different functional group attached
   • H) tartaric acid has
2. Q1 The unit in which molar refraction is expressed as
   • a) cm3mol-] c)
   • J) The liquids with high intermolecular attractive forces have
   • F.Y.B.Sc CHEMISTRY MARKS 100 TIME 3 HRS
   • a) Low b)high
   • K) For second order half time is ---------- proportional -to the initial concentration inversely C) not proportional
   • L) Which of the following rate law is of third order
   • B. State whether true of False 3
   • A) For all chemical reaction the order of molecularity of the reaction is always different
   • B) Metallic character increases across the period as we move from left to right
   • C) If molecule is not superimposable on its mirror image ,then the molecule is chairal
   • C. Match the following columns 5
3. Q1 Order a) Group 13 marks
4. Q2 optiacal isomer b) ) can be zero
5. Q5 e) enantiomer
6. Q2 Answer any four of the following: 20 marks
   • A) Explain the of determination of order of reaction
   • B) Explain the Isolation method of determination of order of reaction
   • C) state the kinetic characteristics of second order reaction
   • D) Explain with example i) Order of reaction li) molecularity of reaction
   • E) Write a note on Classification of thermotropic crystal down application of liquid crystal
7. Q3 Answer any four of the following: 20 marks
   • A) Explain diagonal relationship between Be and Al MARKS 100 TIME 3 HRS
   • B) Define carbides. Give its general characteristics aud classification
   • C) Write applications of oxides and Hydroxides
   • D) Discuss the greenhouse effect
   • E) Explain anomalous behavior of second period elements any 2
   • F) ) Discuss the effect of oxides of nitrogen on human health
8. Q4 Answer any four of the following: 20 marks
   • A) Define Distereoisomer .Enlist any 2 pairs of diasterimers of following
   • B) Distinguish between Mesoform racemic and racemic mixture
   • C) Write a note on diastereomers
   • D) Assign Ror S descripter for following molecule by priority order of substituent
   • a) Ho b) y / MARKS 100 TIME 3 HRS
   • E) Define the term a) Plane polarized light b) Enantiomerc) Racimic mixture d) Meso form e)
   • F) write D or L for the following compound Write anti and syn for following compound Answer any four of the following: [20]
   • A) Define allotropy and Explain allotropes of carbon (i) Diamond (ii) Amorphous carbon
   • B) Write comparative chemistry of carbides and nitrides of group 1 and 2 elements
   • C) Explain determination of viscosity by ostwald’s viscometer
   • D) Explain the conformation of n-Butane
   • E) Convert the following Fischer projection formula to sawhorse projection | )
   • F) Explain determination of surface tension by drop number method. H By

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