Quiz
Redox reactions
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Questions in this quiz (19)
1Oxidation state is the numerical value of the degree of oxidation or reduction of an atom/element
- ATrue
- BFalse
2The oxidation state of Fe3+ is
- A+3
- B-3
- C+6
- D-6
3The total sum of oxidation states in a compound mustn't add up to zero
- ATrue
- BFalse
4The sum of oxidation states of all of the elements in a molecular ion must add up to the charge of that ion
- ATrue
- BFalse
5The maximum oxidation state of an element is '+ group number' e.g. Nitrogen is +5 and the minimum oxidation state of an element its 'group number - 8' e.g. Nitrogen's is 5-8=-3
- ATrue
- BFalse
6Oxygen has an oxidation state of [blank_start]-2[blank_end] in all compounds apart from peroxides where it is [blank_start]-1[blank_end] and in OF2 where its oxidation state is [blank_start]+2[blank_end]
- A-2
- B-1
- C+2
7Hydrogen has an oxidation state of [blank_start]+1[blank_end] in all compounds except hydrides where it is [blank_start]-1[blank_end]
- A+1
- B0
- C-1
- D-1
- E0
- F+1
8Group 1 elements have an oxidation state of -1
- ATrue
- BFalse
9Group 2 elements have an oxidation state of +2
- ATrue
- BFalse
10In a simple binary compound, the most electronegative element has the negative oxidation state
- ATrue
- BFalse
11Copper (II) has a 2+ charge
- ATrue
- BFalse
12An increase in oxidation state is reduction
- ATrue
- BFalse
13An decrease in reduction state is reduction
- ATrue
- BFalse
14Is Mg being reduced in this equation
Mg ---> Mg2+ + 2e-- AYes
- BNo
15Is Sn being reduced in this equation
Sn2+ + 2e- ----> Sn- AYes
- BNo
16If oxygen atoms are removed, H+ ions can be used to balance the charges
- ATrue
- BFalse
17In half equations, total charge on the left must be equal to total charge on the right
- ATrue
- BFalse
18[blank_start]Primary[blank_end] alcohols are oxidised to from [blank_start]aldehydes[blank_end] which can be further oxidised to form [blank_start]ketones[blank_end]
- APrimary
- BSecondary
- CTertiary
- Daldehydes
- Eketones
- Fketones
- Galdehyde
19Secondary alcohols can be oxidised to form [blank_start]ketones[blank_end]
- Aketones
Information
- Description
- Oxidation states, reduction etc
- Author
- lukas majda
- Language
- English
- Views
- 3
- Tags
- Rating
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