What is the general formula of the alkanes?
Answer and explanation
Correct answer: C. CnH2n+2, as in methane (CH4) and ethane (C2H6)
- Step 1: Alkanes are saturated hydrocarbons. Step 2. Their formula is CnH2n+2. Answer: CnH2n+2. Why not the others: these are alkenes, alkynes and alcohols.
Practise more Organic Chemistry, Equilibrium and Electrochemistry.
Free questions with an explanation for every one, and full timed Scottish Highers mock tests.
More Organic Chemistry, Equilibrium and Electrochemistry questions
- How can bromine water be used to distinguish between an alkane and an alkene?
- What is the name of the product when ethene reacts with water in the presence of an acid catalyst?
- A reaction reaches equilibrium. Which statement is correct?
- What is oxidation in terms of electrons?
- In which part of an electrochemical cell does oxidation take place?
- Which metal would be the best choice to protect an iron pipe by sacrificial protection?