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Alkanes

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Question 11

Which statement(s) explain(s) the trend in boiling points as the chain length of straight-chain alkanes increases?

1: The surface area of contact increases, resulting in stronger induced dipole-dipole interactions (London forces). 2: The C−C\text{C}-\text{C}C−C and C−H\text{C}-\text{H}C−H covalent bonds become stronger. 3: The molecules become more polar, leading to stronger permanent dipole-dipole interactions.

A

1, 2 and 3

B

Only 1 and 2

C

Only 2 and 3

D

Only 1

Markscheme

Alkanes Questions

  1. A Level
  2. /Chemistry
  3. /Alkanes

15 exam-style questions on OCR A A Level Chemistry Alkanes. Each one has a worked solution and a mark scheme showing where the marks go.

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