Inorganic And Periodic Table Flashcards by Robert Marka | Brainscape

Q

State the reactions of group 2 oxides

A

group 2 oxides react with water to produce a metal hydroxide
group 2 oxides react with HCl to produce metal chloride and water

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Q

State the reactions of group 2 hydroxides

A

group 2 hydroxides react with water unchanged
group 2 hydroxides react with HCl to form metal chlorides and water

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Q

Thermal decomposition of group 1 carbonates

A

group 1 carbonates do not decompose except lithium
Li2CO3 —> Li2O + CO2

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Q

Thermal decomposition of group 1 nitrates

A

form a nitrite and oxygen
2KNO3 —> 2KNO2 + O2

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Q

Thermal decomposition of group 2 carbonates

A

form metal oxide and carbon dioxide
CaCO3 —> CaO + CO2

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Q

Thermal decomposition of group 2 nitrates

A

form metal oxide, nitrogen dioxide and oxygen
2Ca(NO3)2 —> 2CaO + 4NO2 + O2

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Q

State the equation for the reaction between a halogen and a cold alkali and hot alkali

A

cold alkali: X2 +2NaOH —> NaOX + NaX + H2O
hot alkali: 3X2 + 6NaOH —> NaXO3 + 5NaX + 3H2O

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