GCSE Chemistry – Properties and displacement reactions of group 7

Last updated: 06/07/2020
CCEA GCSE Science – Combined science higher The periodic table GCSE Chemistry – Properties and displacement reactions of group 7

Learning Objectives

-I can describe trends in physical properties of group 7 elements
-I can describe displacement reactions to establish trends in the reactivity of group 7 elements

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  1. Describe the melting and boiling points of the group 7 elements.

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  2. Describe the trend in melting and boiling points down the group 7 elements.

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  3. Describe the trend in melting and boiling points up the group 7 elements.

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  4. Which group 7 element has the highest melting/boiling point?

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  5. Which group 7 element has the lowest melting/boiling point?

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  6. Describe the trend in reactivity down the group 1 elements.

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  7. Describe the trend in reactivity up the group 1 elements.

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  8. What is being increased down the group 7 elements?

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  9. Why does the reactivity of the group 7 elements decrease down the group?

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  10. Which group 7 element is the most reactive?

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  11. Which group 7 element is the least reactive?

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  12. What is a displacement reaction?

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  13. Does chlorine displace bromine?

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  14. Does chlorine displace iodine?

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  15. Does bromine displace chlorine?

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  16. Does bromine displace iodine?

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  17. Does iodine displace chlorine?

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  18. Does iodine displace bromine?

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  19. When one halogen displaces another during the displacement reactions with the potassium halides, what is the initial colour the of the solution?

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  20. When one halogen displaces another during the displacement reactions with the potassium halides, what colour will the solution turn?

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