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What is the structure and reaction of Na2O with water?
Ionic, dissolves in water to form NaOH(aq). Na2O + H2O -> 2NaOH(aq)
What is the reaction of Na2O with acids?
Na2O + 2 H+ -> 2Na+ + H2O
What is the nature of Na2O?
Basic
What is the structure and reaction of MgO with water?
Ionic (higher melting point than Na2O), slightly soluble in water to form Mg(OH)2(aq). MgO + H2O -> Mg(OH)2(aq)
What is the reaction of MgO with acids?
MgO + 2H+ -> Mg2+ + H2O
What is the nature of MgO?
Basic
What is the structure and reaction of Al2O3 with acids and alkalis?
Ionic (some covalent character), Insoluble. Al2O3 + 6H+ -> 2Al3+ + 3H2O. Al2O3 + 2OH- + 3H2O -> 2 Al(OH)4 -
What is the nature of Al2O3?
Amphoteric
What is the structure and reaction of SiO2 with alkalis? (conditions)
Giant covalent, Insoluble. SiO2 + 2OH- -> SiO3 2- + H2O (hot, concentrated NaOH)
What is the nature of SiO2?
Acidic
What is the structure and reaction of P4O10 with water?
Simple molecular, reacts violently with water to form H3PO4. P4O10 + 6H2O -> 4H3PO4
What is the reaction of P4O10 with alkalis?
P4O10 + 12OH- -> 4PO4 3- + 6 H2O
What is the nature of P4O10?
Acidic
What is the structure and reaction of SO2 with water?
Simple molecular, dissolves in water to form H2SO3. SO2 + H2O -> H2SO3
What is the reaction of SO2 with alkalis?
SO2 + 2OH- -> SO3 2- + H2O
What is the nature of SO2?
Acidic
What is the structure and reaction of SO3 with water?
Simple molecular, reacts violently with water to form H2SO4. SO3 + H2O -> H2SO4
What is the reaction of SO3 with alkalis?
SO3 + 2OH- -> SO4 2- + H2O
What is the nature of SO3?
Acidic
Reaction of [Fe(H2O)6]2+ with NaOH(aq)
Green solution turns into a green precipitate: [Fe(H2O)6]2+ + 2OH- -> [Fe(H2O)4(OH)2] + 2H2O. With XS OH-, no visible reaction.
Reaction of [Fe(H2O)6]2+ with Na2CO3(aq)
Green solution turns into a green precipitate: [Fe(H2O)6]2+ + CO32- -> FeCO3 + 6H2O
Reaction of [Cu(H2O)6]2+ with NaOH(aq)
Blue solution turns into a blue precipitate: [Cu(H2O)6]2+ + 2OH- -> [Cu(H2O)4(OH)2] + 2H2O. With XS OH-, no visible reaction.
Reaction of [Cu(H2O)6]2+ with Na2CO3(aq)
Blue solution turns into a blue-green precipitate: [Cu(H2O)6]2+ + CO32- -> CuCO3 + 6H2O
Reaction of [Fe(H2O)6]3+ with NaOH(aq)
Orange solution turns into a brown precipitate: [Fe(H2O)6]3+ + 3OH- -> [Fe(H2O)3(OH)3] + 3H2O. With XS OH-, no visible reaction.
Reaction of [Fe(H2O)6]3+ with Na2CO3(aq)
Orange solution turns into a brown precipitate and gentle bubbles (colorless solution): 2[Fe(H2O)6]3+ + 3CO32- -> 2[Fe(H2O)3(OH)3] + 3H2O + 3CO2
Reaction of [Al(H2O)6]3+ with NaOH(aq)
Colorless solution turns into a white precipitate then redissolves in XS: [Al(H2O)6]3+ + 3OH- -> [Al(H2O)3(OH)3] + 3H2O. With XS OH-, [Al(H2O)3(OH)3] + OH- -> [Al(H2O)2(OH)4]- + H2O
Reaction of [Al(H2O)6]3+ with Na2CO3(aq)
Colorless solution turns into a white precipitate and gentle bubbles: 2[Al(H2O)6]3+ + 3CO32- -> 2[Al(H2O)3(OH)3] + 3H2O + 3CO2
Reaction of [Fe(H2O)6]2+ with NH3(aq)
Green solution turns into a green precipitate: [Fe(H2O)6]2+ + 2NH3 -> [Fe(H2O)4(OH)2] + 2NH4+. With XS NH3, no visible reaction.
Reaction of [Cu(H2O)6]2+ with NH3(aq)
Blue solution turns into a blue precipitate: [Cu(H2O)6]2+ + 2NH3 -> [Cu(H2O)4(OH)2] + 2NH4+. With XS NH3: [Cu(H2O)4(OH)2] + 4NH3 -> [Cu(H2O)2(NH3)4]2+ + 2H2O + 2OH-
Reaction of [Fe(H2O)6]3+ with NH3(aq)
Orange solution turns into a brown precipitate: [Fe(H2O)6]3+ + 3NH3 -> [Fe(H2O)3(OH)3] + 3NH4+. With XS NH3, no visible reaction.
Reaction of [Al(H2O)6]3+ with NH3(aq)
Colorless solution turns into a white precipitate: [Al(H2O)6]3+ + 3NH3 -> [Al(H2O)3(OH)3] + 3NH4+. With XS NH3, no visible reaction.
Reaction of Metal Hydroxide Precipitates with Excess Acid
Green precipitate -> green solution: [Fe(H2O)4(OH)2] + 2H+ -> [Fe(H2O)6]2+. Blue precipitate -> blue solution: [Cu(H2O)4(OH)2] + 2H+ -> [Cu(H2O)6]2+. Brown precipitate -> violet solution: [Fe(H2O)3(OH)3] + 3H+ -> [Fe(H2O)6]3+. White precipitate -> colorless solution: [Al(H2O)3(OH)3] + 3H+ -> [Al(H2O)6]3+
Reaction of [Al(H2O)3(OH)3] with Excess Alkali
White precipitate -> colorless solution: [Al(H2O)3(OH)3] + OH- -> [Al(H2O)2(OH)4]-
Reaction of [Fe(H2O)6]2+ with Excess NH3
Green solution turns into a green precipitate: [Fe(H2O)6]2+ + 2NH3 -> [Fe(H2O)4(OH)2] + 2NH4+
Reaction of [Cu(H2O)6]2+ with Excess NH3
Blue solution turns into a deep blue solution: [Cu(H2O)6]2+ + 4NH3 -> [Cu(H2O)2(NH3)4]2+ + 4H2O
Reaction of [Fe(H2O)6]3+ with Excess NH3
Orange solution turns into a brown precipitate: [Fe(H2O)6]3+ + 3NH3 -> [Fe(H2O)3(OH)3] + 3NH4+
Reaction of [Al(H2O)6]3+ with Excess NH3
Colorless solution turns into a white precipitate: [Al(H2O)6]3+ + 3NH3 -> [Al(H2O)3(OH)3] + 3NH4+
Reaction of [Fe(H2O)6]2+ with Excess Cl-
Green solution turns into a yellow solution: [Fe(H2O)6]2+ + 4Cl- -> [FeCl4]2- + 6H2O
Reaction of [Cu(H2O)6]2+ with Excess Cl-
Blue solution turns into a yellow solution: [Cu(H2O)6]2+ + 4Cl- -> [CuCl4]2- + 6H2O
Reaction of [Fe(H2O)6]3+ with Excess Cl-
Orange solution turns into a yellow solution: [Fe(H2O)6]3+ + 4Cl- -> [FeCl4]- + 6H2O
Reaction of [Al(H2O)6]3+ with Excess Cl-
Colorless solution remains a colorless solution: [Al(H2O)6]3+ + 4Cl- -> [AlCl4]- + 6H2O
Reaction: Magnesium oxide + sulfuric acid
MgO + H2SO4 -> MgSO4 + H2O
Reaction: Sulfur trioxide + sodium hydroxide
SO3 + 2NaOH -> Na2SO4 + H2O
Reaction: Sodium oxide + water
Na2O + H2O -> 2NaOH
Reaction: Sodium oxide + nitric acid
Na2O + 2HNO3 -> 2NaNO3 + H2O
Reaction: Phosphorus oxide + sodium hydroxide
P4O10 + 12NaOH -> 4Na3PO4 + 6H2O
Reaction: Sulfur dioxide + potassium hydroxide
SO2 + 2KOH -> K2SO3 + H2O
Reaction: Aluminium oxide + nitric acid
Al2O3 + 6HNO3 -> 2Al(NO3)3 + 3H2O
Reaction: Phosphorus oxide + water
P4O10 + 6H2O -> 4H3PO4
Reaction: Silicon dioxide + sodium hydroxide
SiO2 + 2NaOH -> Na2SiO3 + H2O
Reaction: Aluminium oxide + sodium hydroxide
Al2O3 + 2NaOH + 3H2O -> 2NaAl(H2O)2(OH)4
Reaction: Sulfur dioxide + sodium oxide
SO2 + Na2O -> Na2SO3
Reaction: Magnesium oxide + phosphorus oxide
6MgO + P4O10 -> 2Mg3(PO4)2