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Date	May 2015	Marks available	1	Reference code	15M.1.sl.TZ1.24
Level	SL	Paper	1	Time zone	TZ1
Command term		Question number	24	Adapted from	N/A

Question

Which species can oxidize ethanol to ethanoic acid?

A. ${{\text{I}}^ - }$

B. Fe

C. ${{\text{O}}^{2 - }}$

D. Acidified ${{\text{K}}_{\text{2}}}{\text{C}}{{\text{r}}_{\text{2}}}{{\text{O}}_{\text{7}}}$

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Syllabus sections

Core » Topic 9: Redox processes » 9.1 Oxidation and reduction

Show 165 related questions

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17M.2.hl.TZ1.4d: Suggest why experiments involving tetracarbonylnickel are very hazardous.
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17M.2.hl.TZ1.4a: Formulate an equation for the oxidation of nickel(II) sulfide to nickel(II) oxide.
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17M.2.sl.TZ1.3a: Determine the oxidation state of vanadium in each of the following species.
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17M.1.hl.TZ1.29: A reaction takes place when a rechargeable battery is used: Pb(s) + PbO2(s) + 4H+(aq) +...
17M.1.hl.TZ1.28: Which change represents oxidation? A. HClO4 to HClO3 B. N2 to NH3 C. N2O to...
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17M.1.sl.TZ1.21: What is the order of decreasing reactivity of the metals (most reactive first)? Zn(s) +...
16N.3.sl.TZ0.1c: Despite widespread improvements in the provision of safe drinking water, the sale of bottled...
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16N.2.sl.TZ0.1b: Determine the average oxidation state of carbon in ethene and in...
16N.1.sl.TZ0.21: Which is a correct statement for the reaction below? 2MnO4-(aq) + 6H+(aq) + 5NO2-(aq) →...
16N.1.sl.TZ0.17: Which experimental methods could be used to observe the progress of the following...
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16M.2.sl.TZ0.1b: Phosphine is usually prepared by heating white phosphorus, one of the allotropes of...
16M.1.hl.TZ0.30: Applying IUPAC...
16M.1.sl.TZ0.21: Applying IUPAC rules, what is the name of MnO2? A. Magnesium(II) oxide B. Manganese(II)...
15M.1.hl.TZ1.30: Which represents a redox reaction? A. ...
15M.1.hl.TZ2.30: Which is a redox reaction? A. ...
15M.2.hl.TZ1.6e: Bromine reacts with aqueous sodium...
15M.2.hl.TZ1.7a.ii: Determine the oxidation number of carbon in ethanol and ethanal. Ethanol: Ethanal:
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15M.2.hl.TZ1.7a.iv: Deduce the overall redox equation for the reaction of ethanol to ethanal with acidified...
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15M.1.sl.TZ1.23: Which represents a redox reaction? A. ...
15M.1.sl.TZ2.23: What are the oxidation states of each element in...
15M.1.sl.TZ2.24: What is the coefficient for I– when the following equation is balanced using the smallest...
15M.2.sl.TZ1.2d: Bromine reacts with aqueous sodium...
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14M.1.hl.TZ2.31: Which species are the oxidizing and reducing agents in the following...
14M.2.hl.TZ1.6a: Alcohols with the molecular formula...
14M.2.hl.TZ2.5c: (i) Deduce a balanced equation for the reaction between the chlorate(I) ion and sulfur...
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14M.2.sl.TZ1.6a: Define oxidation in terms of electron transfer.
14M.1.sl.TZ1.23: At which side of the equation are electrons, ${{\text{H}}^ + }$ ions and...
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13N.1.hl.TZ0.32: Consider the following...
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13N.1.sl.TZ0.24: Consider the following...
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13N.1.sl.TZ0.23: What is the name of...
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13M.2.hl.TZ2.7b.i: Deduce the balanced chemical equation for the redox reaction of copper, Cu(s), with nitrate...
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10N.1.hl.TZ0.30: Consider the following...
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10M.1.sl.TZ2.25: What is the reducing agent in the reaction...
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09M.2.hl.TZ1.7b.iii: ${{\text{[CoC}}{{\text{l}}_{\text{4}}}{\text{]}}^{2 - }}$
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09M.2.sl.TZ1.4b.i: State the oxidation number of manganese in ${\text{KMn}}{{\text{O}}_{\text{4}}}$ and in...
09M.2.sl.TZ1.4b.ii: Deduce which species has been oxidized in this reaction and state the change in oxidation...
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09M.3.sl.TZ1.E2c.ii: State the change in oxidation number for manganese in step 2.
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09M.1.sl.TZ2.12: Metal M has only one oxidation number and forms a compound with the formula...
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11M.2.hl.TZ1.9e.ii: Deduce the oxidation and reduction half-equations and identify the oxidizing agent for the...
11M.1.sl.TZ1.23: Which species could be reduced to form ${\text{N}}{{\text{O}}_{\text{2}}}$ ? A. ...
11M.1.sl.TZ1.25: What happens to the manganese in the following...
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11M.2.sl.TZ2.2b.i: Deduce the chemical equations for these two reactions.
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