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  1. Problems
  2. /Carbon and Its Compounds
  3. /Reactions and Uses of Carbon Compounds

Reactions and Uses of Carbon Compounds

Chemistry
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More in Carbon and Its CompoundsCovalent Bonding and AllotropesHydrocarbons and NomenclatureReactions and Uses of Carbon Compounds
10 problems
Type:
1.
You wash clothes in hard water. With soap, a grey scum forms and there is little lather.
High School (9–10), General · Reactions and Uses of Carbon CompoundsStemPy LabStemPy Lab
Easy
2.
Tristearin, a fat of molar mass 890 g/mol, reacts with sodium hydroxide: fat + 3 NaOH → 3 soap +…
High School (9–10), General · Reactions and Uses of Carbon CompoundsStemPy LabStemPy Lab
Hard
3.
Ethanol reacts with sodium: 2 Na + 2 C₂H₅OH → 2 C₂H₅ONa + H₂.
High School (9–10), General · Reactions and Uses of Carbon CompoundsStemPy LabStemPy Lab
Medium
4.
A bottle of vinegar says: 6 g of ethanoic acid in every 100 mL.
High School (9–10), General · Reactions and Uses of Carbon CompoundsStemPy LabStemPy Lab
Medium
5.
Two colourless liquids are in unlabelled bottles.
High School (9–10), General · Reactions and Uses of Carbon CompoundsStemPy LabStemPy Lab
Medium
6.
45 g of ethanoic acid is warmed with 46 g of ethanol and a few drops of concentrated sulphuric acid.
High School (9–10), General · Reactions and Uses of Carbon CompoundsStemPy LabStemPy Lab
Medium
7.
Say whether each change is combustion, oxidation, addition or substitution.
High School (9–10), General · Reactions and Uses of Carbon CompoundsStemPy LabStemPy Lab
Easy
8.
Find the percentage of carbon, by mass, in propyne, C₃H₄, and in propane, C₃H₈.
High School (9–10), General · Reactions and Uses of Carbon CompoundsStemPy LabStemPy Lab
Medium
9.
The flame of a gas stove is usually blue.
High School (9–10), General · Reactions and Uses of Carbon CompoundsStemPy LabStemPy Lab
Easy
10.
Ethanol burns as C₂H₅OH + 3 O₂ → 2 CO₂ + 3 H₂O.
High School (9–10), General · Reactions and Uses of Carbon CompoundsStemPy LabStemPy Lab
Medium