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A compound A C5H12O when treated with 20% conc H2SO4 at 170Celcius yields compound B C5H10 which on ozonolysis yields two compounds C (C2H4O) and D (C3H6O).Compound A when treated with Lucas reagent turns cloudy immediately while compound B decolourizez both baeyer’s reagent and bromine water.Both compound C and D gave positive test with fehlings solution.Deduse the structure of A,B,C and D give their IUPAC names.

b)By use of chemical equation,show how you can synthesis Butyne from 2-Butane.


calculate heat formation of nacl



What is the unsaturation number of each of these compounds? C7H16


2. Compare basic properties of pyridine and pyrimidine. Explain your opinion. For the most active compound write schemes of the reactions with hydrochloric acid and water

3. Explain why is barbituric acid so strong. Write a scheme of its reaction with one mole of NaOH. Explain, why are barbiturates not so strong acids as barbituric acid. Write a reaction of sodium salt of 5,5-diethylbarbituric acid preparation. 



Write the schemes of uric acid reactions with 1 mole of NH4OH and with two moles of NaOH. Characterize the solubility these two urates. What is the role of urates in the organism?

Answer the following questions:

1. Compare activity of pyridine, pyrimidine, pyrrole and benzene in electrophilic substitution reactions. Explain your opinion. Write schemes of their bromination reactions.

2. Compare basic properties of pyridine and pyrimidine. Explain your opinion. For the most active compound write schemes of the reactions with hydrochloric acid and water

3. Explain why is barbituric acid so strong. Write a scheme of its reaction with one mole of NaOH. Explain, why are barbiturates not so strong acids as barbituric acid. Write a reaction of sodium salt of 5,5-diethylbarbituric acid preparation.

4. Write the schemes of uric acid reactions with 1 mole of NH4OH and with two moles of NaOH. Characterize the solubility these two urates. What is the role of urates in the organism?

 


Answer the following questions:

1. Compare activity of pyridine, pyrimidine, pyrrole and benzene in electrophilic substitution reactions. Explain your opinion. Write schemes of their bromination reactions.

2. Compare basic properties of pyridine and pyrimidine. Explain your opinion. For the most active compound write schemes of the reactions with hydrochloric acid and water

3. Explain why is barbituric acid so strong. Write a scheme of its reaction with one mole of NaOH. Explain, why are barbiturates not so strong acids as barbituric acid. Write a reaction of sodium salt of 5,5-diethylbarbituric acid preparation.

4. Write the schemes of uric acid reactions with 1 mole of NH4OH and with two moles of NaOH. Characterize the solubility these two urates. What is the role of urates in the organism?

 


10. Complete the following summary table of types of solids.

Properties Ionic / Metallic / Covalent / Molecular (Van der Waals) Non-polar-polar

Type of elements (i.e. metals,

non-metals) in the solid

----------------------------------------

Type of particles (ions, atoms,

molecules) in the solid.

---------------------------------------------

Type of bond

------------------------------------------

Bond strength between

particles

Properties

------------------------------------------

-melting point

-hardness

-electrical conductivity

---------------------------------------------

Example

 


The amount of heat evolved when 16 g of copper was displaced from the solution by a 2.4 metal Q, was 720 KJ calculate displacement where Q=24


Please, could you tell me, what are the molecular electron configurations of Methane, Methanol and Chloromethane?