O-LevelChemistryOrganic Chemistry5070/11 · May/June 2015 · Q361 Mark

Which is a correct definition of isomers?

Aatoms with the same relative atomic mass and different structures

Bcompounds with the same molecular formula and different structures

Ccompounds with the same molecular mass and different structures

Delements with the same molecular mass and the same structures

✓ Correct answer

B: compounds with the same molecular formula and different structures

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Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2015 Paper 1 Variant 1, question 36.

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