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Study the information given in the table below and answer the questions that follow. (i) Explain why the melting point and boiling points of MgCl2 are...

      

Study the information given in the table below and answer the questions that follow.
52020191713.png
(i) Explain why the melting point and boiling points of MgCl2 are very high yet melting
point and boiling point of PCl3 are very low.
(ii) Explain by use of a chemical equation why a solution when AlCl3 reacts with water
has a pH of 3

  

Answers


sharon
(i) MgCl2 has ionic bond;giant ionic structure
PCl3 has covalent bond;simple molecular structures.
52020191724.png
AlCl3 hydrolyses in water to give hydrochloric acid.
sharon kalunda answered the question on May 20, 2019 at 14:28


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