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53 Terms

1
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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)

2
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What is the reaction of Na2O with acids?

Na2O + 2 H+ -> 2Na+ + H2O

3
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What is the nature of Na2O?

Basic

4
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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)

5
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What is the reaction of MgO with acids?

MgO + 2H+ -> Mg2+ + H2O

6
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What is the nature of MgO?

Basic

7
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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 -

8
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What is the nature of Al2O3?

Amphoteric

9
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What is the structure and reaction of SiO2 with alkalis? (conditions)

Giant covalent, Insoluble. SiO2 + 2OH- -> SiO3 2- + H2O (hot, concentrated NaOH)

10
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What is the nature of SiO2?

Acidic

11
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What is the structure and reaction of P4O10 with water?

Simple molecular, reacts violently with water to form H3PO4. P4O10 + 6H2O -> 4H3PO4

12
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What is the reaction of P4O10 with alkalis?

P4O10 + 12OH- -> 4PO4 3- + 6 H2O

13
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What is the nature of P4O10?

Acidic

14
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What is the structure and reaction of SO2 with water?

Simple molecular, dissolves in water to form H2SO3. SO2 + H2O -> H2SO3

15
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What is the reaction of SO2 with alkalis?

SO2 + 2OH- -> SO3 2- + H2O

16
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What is the nature of SO2?

Acidic

17
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What is the structure and reaction of SO3 with water?

Simple molecular, reacts violently with water to form H2SO4. SO3 + H2O -> H2SO4

18
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What is the reaction of SO3 with alkalis?

SO3 + 2OH- -> SO4 2- + H2O

19
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What is the nature of SO3?

Acidic

20
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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.

21
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Reaction of [Fe(H2O)6]2+ with Na2CO3(aq)

Green solution turns into a green precipitate: [Fe(H2O)6]2+ + CO32- -> FeCO3 + 6H2O

22
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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.

23
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Reaction of [Cu(H2O)6]2+ with Na2CO3(aq)

Blue solution turns into a blue-green precipitate: [Cu(H2O)6]2+ + CO32- -> CuCO3 + 6H2O

24
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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.

25
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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

26
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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

27
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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

28
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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.

29
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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-

30
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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.

31
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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.

32
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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+

33
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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]-

34
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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+

35
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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

36
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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+

37
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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+

38
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Reaction of [Fe(H2O)6]2+ with Excess Cl-

Green solution turns into a yellow solution: [Fe(H2O)6]2+ + 4Cl- -> [FeCl4]2- + 6H2O

39
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Reaction of [Cu(H2O)6]2+ with Excess Cl-

Blue solution turns into a yellow solution: [Cu(H2O)6]2+ + 4Cl- -> [CuCl4]2- + 6H2O

40
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Reaction of [Fe(H2O)6]3+ with Excess Cl-

Orange solution turns into a yellow solution: [Fe(H2O)6]3+ + 4Cl- -> [FeCl4]- + 6H2O

41
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Reaction of [Al(H2O)6]3+ with Excess Cl-

Colorless solution remains a colorless solution: [Al(H2O)6]3+ + 4Cl- -> [AlCl4]- + 6H2O

42
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Reaction: Magnesium oxide + sulfuric acid

MgO + H2SO4 -> MgSO4 + H2O

43
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Reaction: Sulfur trioxide + sodium hydroxide

SO3 + 2NaOH -> Na2SO4 + H2O

44
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Reaction: Sodium oxide + water

Na2O + H2O -> 2NaOH

45
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Reaction: Sodium oxide + nitric acid

Na2O + 2HNO3 -> 2NaNO3 + H2O

46
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Reaction: Phosphorus oxide + sodium hydroxide

P4O10 + 12NaOH -> 4Na3PO4 + 6H2O

47
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Reaction: Sulfur dioxide + potassium hydroxide

SO2 + 2KOH -> K2SO3 + H2O

48
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Reaction: Aluminium oxide + nitric acid

Al2O3 + 6HNO3 -> 2Al(NO3)3 + 3H2O

49
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Reaction: Phosphorus oxide + water

P4O10 + 6H2O -> 4H3PO4

50
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Reaction: Silicon dioxide + sodium hydroxide

SiO2 + 2NaOH -> Na2SiO3 + H2O

51
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Reaction: Aluminium oxide + sodium hydroxide

Al2O3 + 2NaOH + 3H2O -> 2NaAl(H2O)2(OH)4

52
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Reaction: Sulfur dioxide + sodium oxide

SO2 + Na2O -> Na2SO3

53
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Reaction: Magnesium oxide + phosphorus oxide

6MgO + P4O10 -> 2Mg3(PO4)2