page 08 15. The structural formula for a compound is shown. H3C CH3 H H CH2 C C CH3 OH The product of oxidation of this compound is: A 2-methylpentan-4-one B 4-methylpentan-2-one C 2-methylpentanal D 4-methylpentanal. 16. Which of the following describes how to fill a burette with acid and take the initial reading in a titration? A Rinse the burette with the acid. Fill to above the scale with acid. Drain some of the acid and read from the top of the meniscus. B Rinse the burette with deionised water. Fill to above the scale with acid. Drain some of the acid and read from the bottom of the meniscus. C Rinse the burette with the acid. Fill to above the scale with acid. Drain some of the acid and read from the bottom of the meniscus. D Rinse the burette with deionised water. Fill to above the scale with acid. Drain some of the acid and read from the top of the meniscus.