Alkanes Quiz
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5 questions, one answer each
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1. What is the general formula for alkanes?
- A. CnH2n
- B. CnH2n+2
- C. CnH2n-2
- D. CnHn
2. Why are alkanes described as saturated?
- A. They dissolve completely in water
- B. They contain only single C-C bonds
- C. They contain a C=C double bond
- D. They cannot burn
3. What condition is required for methane to react with chlorine?
- A. High pressure
- B. A metal catalyst
- C. Ultraviolet radiation
- D. Dilute acid
4. Methane reacts with bromine to form one substitution product. What are the products?
- A. CH3Br and HBr
- B. CH2Br2 and H2
- C. CH4Br and Br
- D. CO2 and H2O
5. A student compares the boiling points of pentane and methane. Which explanation correctly accounts for the difference?
- A. Pentane has stronger covalent bonds
- B. Pentane molecules have stronger intermolecular forces due to greater molecular mass
- C. Methane is ionic while pentane is covalent
- D. Pentane reacts with oxygen more easily