REAGENTS 0.1M SOLUTIONS OF GROUP 2 CATIONS (AS NITRATES) Mg2+ Ca2+ Sr2+ Ba2+ Unknown D 0.02M K2CrO4 no no Light ppt Light ppt(yellow) No 0.1M (NH4)2C2O4 no Heavy ppt(white) Heavy ppt(white) Light ppt(white) Heavy ppt(white) 0.1M Na2SO4 no no Light ppt Light ppt(white) no 0.1M NaOH Light ppt Light ppt no Light ppt(white) Light ppt(white) Part II- Qualitative Analysis of Selected Anions Table 2 REAGENTS 0.1M SOLUTIONS OF GROUP 2 CATIONS (AS Na SALTS)
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procedure with 1% ethanolic silver nitrate solution. Data/Results: Name | Sodium Iodide | Silver Nitrate | 1-Chloroadamantane | Ppt at room temperature | Ppt at room temperature | 2-chlorobutane | Ppt in the hot plate | No ppt | 1-chloro-2-butene | Ppt at room temperature | Ppt | Bromobenzene | Ppt | Ppt | 2-bromobutane | Ppt at room temperature | Ppt at room temperature | 2-chloro-2-methylpropane | Yellow
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CHEMISTRY PRACTICAL NOTES - SALT ANALYSIS S.No. | EXPERIMENT | OBSERVATION | INFERENCE | 1(a) | Noted the colour of the salt | BluePale greenGreenPale pinkColourless | May be Cu2+May be Fe2+May be Ni2+‚ Cu2+May be Mn2+Absence of Cu2+‚ Fe2+‚ Ni2+‚ Cu2+‚ Mn2+ | (b) | Noted the physical state of the salt | (i)Amorphous(ii)crystalline | May be CO32-May be Cl-‚ Br-‚ SO42-‚ NO3- | 2 | Action of heat:The given salt is heated in a dry test tube. | (i)Reddish brown vapours(ii)Crackling sound(iii)Yellow
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KMnO4 is discharged 4. Sulphide: Colourless gas with a smell of rotten eggs (H2S); turns lead acetate paper black 1. Sodium nitroprusside test: WE + sodium nitroprusside 4 = purple / violet colour 2. Lead acetate test: WE + lead acetate 5 (aq) = black ppt 5. Nitrite: Pungent light brown gas 1. Starch-iodide test: WE + dil H2SO4 (or dil acetic acid); boil‚ then add solid KI + fresh starch sol = deep blue colouration Group II (conc H2SO4 group) – Cl(chloride)‚ Br- (bromide)‚ I- (iodide)‚ NO3- (nitrate)
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| White ppt‚ AgCl(soluble in 12M HCl‚ soluble in sln of good complexing agent‚ 6M NH3) | White ppt‚ PbCl2(soluble in hot water‚ soluble in 12M HCl‚ soluble in sln of xs NaOH) | Soluble – no ppt | Soluble – no ppt | Soluble – no ppt | Na2CO3 | White ppt‚ Ag2CO3(soluble in 6M HCl‚ soluble in sln of good complexing agent) | White ppt‚ PbCO3(soluble in 6M HCl‚ soluble in sln of good complexing agent) | Blue ppt‚ CuCO3(soluble in 6M HCl‚ soluble in sln of good complexing agent) | Green ppt‚ NiCO3(soluble
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like: ‘Tab.3.12’; ‘p.113’; ‘Fig.11.42’; ‘Ex.14.7; ‘Example’ or ‘Poh (1991)’. And so on. Copyright © 2014 McGraw-Hill Education (Australia) Pty Ltd • A slide without anFundamentals of Corporate ‘made’Ross et us. identifier is Finance 6e by by al. PPTs to accompany Learning Objectives Ch. 1 LO1.1 Understand the basic types of financial management decisions and the role of the financial manager. LO1.2 Understand the goal of financial management. LO1.3 Understand the financial implications
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PART 4 FUNDAMENTAL MACROECONOMIC CONCEPTS Chapter 8 The circular flow Copyright © 2011 McGraw-Hill Australia Pty Ltd PPT slides to accompany Economics for Business 4e by Fraser‚ Gionea & Fraser 8-1 Lecture plan • The exchange flow between households and the business sector – The two-sector economy • • The exchange flows with financial markets – The financial sector and the three-sector economy The exchange flows between households‚ businesses and government – The
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w w ap eP m e tr .X w om .c s er UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Advanced Subsidiary Level and Advanced Level *8712516860* CHEMISTRY 9701/36 Advanced Practical Skills 2 October/November 2012 2 hours Candidates answer on the Question Paper. Additional Materials: As listed in the Confidential Instructions READ THESE INSTRUCTIONS FIRST Write your Centre number‚ candidate number and name on all the
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