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2. Which of the following compounds exists as a geometric isomer?
(1) C H H C CH2CH3 CH3
(2) C H H C CH2CH3 H
(3) C CH3 H C CH3 H
(4) C CH3 CH3 C Cl H
Which of the following pairs represent trihydric phenols?
Select one:
a. Resorcinol and quinol
b. Hydroxyquinol and quinol
c. Phloroglucinol and hydroxyquinol
d. Catechol and resorcinol
methylene cyclopropane reaction with HBr and CH2Cl2
14. Draw the structures of two chair conformations of cis-1-tert-butyl-4methylcyclohexane. Which conformation is more stable? Explain your answer
Mevacor is used clinically to lower serum cholesterol levels. (i) How many chiral centers and how many stereoisomers does Mevacor have?
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.
#339914 on Dec 2023