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How will you prepare isopropanol and acetic acid from CH3MgBr?
Copper can be obtained from copper pyrites by some suitable process. Some metallurgical processes are given below
(i) Roasting
(ii) Leaching
(iii) Froth floatation process
(iv) Self reduction
(v) Poling
(vi) Chromatography
(vii) Hall Heroult process
The method which is not used in extraction of copper from copper pyrite
2. What would be the molar concentration of a HCL solution if 25.0 mL of the solution is neutralized by 15.5 mL of 0.800 mol/L NaOH?
3. a) Explain what an equivalence point is in a titration.
b) What is the purpose of an indicator in the solution with the unknown concentration?
4. A strong acid and a weak acid that are both 1.0 mol/L react differently with zinc. Choose two acids and with the aid of equations and dissociation, explain why this is the case.
. A 400 mL buffer solution was prepared by reacting sodium acetate, CH3COONa,
with 1.00 M acetic acid, CH3COOH, with a pH of 4.56 Calculate the mass of
CH3COONa required to prepare the solution. Ka CH3COOH= 1.75 x 10-5
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define spin-spin coupling of NMR using 1,1- dichloroethane
Consider the reaction:
3NO (g) ⇆ N2O (g) + NO2 (g)
What is the expression for Kc for this reaction?
2)When furan treated with maleic anhydride?
3) discuss fischer indole synthesis
Or
Describe the graph that could be drawn, which should include the following: What is the label on the vertical axis of the graph, include units?
What is the label on the horizontal axis of the graph?
Describe the pattern expected in the graph
1s22s22p4.
(i) Write a balanced equation to represent the first (1st) ionization energy of element E. Use “E” as the symbol of the element. Include the physical states.
