Erstellt von Kayla Price
vor mehr als 7 Jahre
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What happens to the ionisation energy of the elements going down group 2?
How does reactivity change going down group 2?
What is produced in a reaction between a group 2 metal and water? What doesn't react?
What is produced when a group 2 metal is burned in oxygen?
What is produced when a group 2 metal is reacted with chlorine?
Are group 2 metal oxides and hydroxides acids or bases? Why?
Which group 2 metal oxide does not react with water?
How does the pH of group 2 metal hydroxide solutions change as you go down the group?
How does solubility of group 2 metal hydroxides change going down the group?
How does solubility of group 2 metal sulfates change going down the group?
Explain how the thermal stability of carbonates and nitrates changes going down a group
What is produced when a carbonate decomposes?
Which of the group 1 carbonates can decompose?
What is produced when a group 1 nitrate thermally decomposes?
What is produced when group 2 nitrates thermally decompose?
How would you test for the thermal stability of nitrates?
How would you test the thermal stability of a carbonate?
What is the flame colour for lithium?
What is the flame colour for sodium?
What is the flame colour for potassium?
What is the flame colour for rubidium?
What is the flame colour for caesium?
What is the flame colour for calcium?
What is the flame colour for strontium?
What is the flame colour for barium?
How would you carry out a flame test?
What is an electron transition?
Why do different compounds have different flame colours?
How does electronegativity change going down group 7?
Why do the halogens have low solubility in water?
What is the colour of chlorine in water and in hexane?
What is the colour of bromine in water and in hexane?
What is the colour of iodine in water and in hexane?
What happens to the reactivity of the halogens as you go down the group?
How does the melting point of the halogens change as you go down the group?
What occurs when a halogen is mixed with a halide?
How is a displacement reaction between halogens and halides a redox reaction?
What colour change is observed when bromine is displaced from a halide solution, forming Br2?
What colour change is observed when iodine is displaced from a halide solution, forming I2?
How would you make it easier to distinguish whether iodine or bromine is displaced from a halide solution?
What is a disproportionation reaction?
What is produced when a halogen reacts with cold dilute alkali (NaOH)? What is the name of the reaction?
What is the name and oxidation state of the halide of the following ions:
1) Cl-
2) Cl
3) ClO-
4) BrO-
5) BrO2 -
6) IO3 -
7) IO4 -
What is produced when hot alkali is added to a halogen?
How does the reducing power of the halides change as you go down the group?
Describe the difference between the reaction of KF/KCl with sulfuric acid and the reaction of KBr with sulfuric acid
Describe the difference between reaction of KBr with sulfuric acid and KI with sulfuric acid
What is produced when hydrogen halides react with ammonia?
How would you test for the halides?
How would you test for carbonate (CO3 2-) / hydrogencarbonate (HCO3-) ions?
How would you test for sulfate ions (SO4 2-)?
How would you test for ammonia gas?
How would you test for whether a substance contains ammonium ions?