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Chemistry OCR a-level Paper 2 Test Questions d d d d d d d




With Verified Answers d d




Hydrocarbons - ANSWER:Compounds composed of only carbon and hydrogen
d d d d d d d d




Saturated - ANSWER:Contains single carbon-carbon bonds only
d d d d d d




Unsaturated - ANSWER:contains carbon - carbon bonds, including C=C, triple bonds and
d d d d d d d d d d d d




aromatic rings
d




Molecular formula - ANSWER:The formula which shows the actual number of each term of
d d d d d d d d d d d d d d




atom



Empirical formula - ANSWER:shows the smallest whole number ratio of the atoms in a
d d d d d d d d d d d d d d




compound



General formula - ANSWER:The simplest algebraic formula of a member of a homologous series
d d d d d d d d d d d d d




Structural formula - ANSWER:Shows the minimal detail for the arrangement of atoms in a
d d d d d d d d d d d d d d




molecule



Displayed formula - ANSWER:Shows the covalent bonds present in a molecule
d d d d d d d d d d