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Aqueous bromine, Br2(aq), is added separately to aqueous potassium chloride and to aqueous potassium iodide. Which statement is correct? A. Bromine reacts with both solutions, oxidizing the chloride ions and the iodide ions. B. Bromine reacts with the…
Which products are formed when hex-3-ene reacts separately with hydrogen bromide, HBr, to give X, and with bromine, Br2, to give Y? A. X: 2-bromohexane; Y: 3,4-dibromohexane B. X: 3,4-dibromohexane; Y: 3-bromohexane C. X: 3-bromohexane; Y:…
Which compound can be oxidized to a carboxylic acid by heating under reflux with an excess of an acidified oxidizing agent? A. CH3CH(OH)CH2CH3 B. (CH3)3COH C. (CH3)2CHCH2OH D. CH3COCH2CH3
How many structural isomers of the alkane with molecular formula C6H14 exist? A. 3 B. 4 C. 5 D. 6
What is the IUPAC name of the compound shown? A. 4-chloro-5-methylhexan-2-one B. 3-chloro-2-methylhexan-5-one C. 5-methyl-4-chlorohexan-2-one D. 4-chloro-5-methylhexan-2-ol
Which functional groups are present in the compound shown? A. Carboxyl, hydroxyl and primary amino B. Ester, ether and primary amino C. Ester, hydroxyl and secondary amino D. Ester, hydroxyl and primary amino
A student determines the concentration of a solution of hydrochloric acid by titration. The same titration is repeated five times, and the titres are scattered both above and below the mean, because the student finds it difficult to judge the exact point at…
Which quantity is measured in g mol−1? A. Relative molecular mass B. Amount of substance C. Avogadro constant D. Molar mass
Deduce the ionic equation, including state symbols, for the reaction of hydrogen bromide gas with water.
Calculate the pH of 0.25 mol dm−3 hydrobromic acid.