AL Chemistry Experiment Report Sheet

Experiment 22: Investigating the Properties of Period 3 Oxides

 

Name: ___________________ (       )                                               Form 7 S

 

Results Table 22

 

Na2O2

MgO

Al2O3

SiO2

P4O10

SO2

Appearance

 

 

 

 

 

 

On mixing with water

Initial temp.

 

 

 

 

 

 

Final temp.

 

 

 

 

 

 

Dissolve?

 

 

 

 

 

 

pH of solution

 

 

 

 

 

 

Other observation

 

 

 

 

 

 

 

Questions:

1.     Write the equations of hydrolysis (if any) for the above reactions

Compounds

Equations

Na2O2

 

MgO

 

Al2O3

 

SiO2

 

P4O10

 

SO2

 

 

2.      Comment on the change in structure and bonding in the Period 3 oxides.

 

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3.   How does the acid-base nature of these oxides change across the period?

 

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The End

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