Module 5

Question 1

transition metals benfits and issues in industry

Answer 1

-lowers activation energy so lower temperatures needed so less fossil fuels burned, less CO2 emissions and reduced costs
-toxicity

Question 1

transition metals properties

Answer 1

-variable oxidation states
-acts as catalyst
-form coloured ions
-form complex ions

Question 2

Use of CIS-platin and how it works

Answer 2

-anticancer drug
-binds to DNA of caner cells and stops them from replicating
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Question 3

what factors effect the size of lattice enthalpy

Answer 3

-ionic radius - smaller ions pack closer together, have a greater charge density so have stronger electrostatic forces of attraction, so a more exothermic lattice enthalpy
-ionic charge - greater ionic charge means stronger electrostatic forces of attraction, so a more exothermic lattice enthalpy