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A voltaic cell is assembled from the two half-cells below, connected by a salt bridge. Which statement is correct? A. Anions move from the salt bridge into the magnesium half-cell B. Anions move from the salt bridge into the copper half-cell C. Electrons flow…
A steel spoon is to be coated with silver by electrolysis. Which arrangement is correct? A. The spoon is the cathode, a silver rod is the anode and the electrolyte is aqueous AgNO3 B. The spoon is the anode, a silver rod is the cathode and the…
Which formula represents an ester? A. CH3CH2OCH2CH3 B. CH3COOCH2CH3 C. CH3CH2CONH2 D. CH3CH2COOH
Which compound is an aromatic ester? A. Compound A B. Compound B C. Compound C D. Compound D
Benzene reacts with bromine in the presence of iron(III) bromide to form bromobenzene, not an addition product. Which statement best explains this? A. Benzene contains no carbon–carbon double bonds B. The carbon–carbon bonds in benzene are weaker than those in…
What is the product of the reaction between propene and bromine? A. 1,1-dibromopropane B. 2,2-dibromopropane C. 1,2-dibromopropane D. 1,3-dibromopropane
What is the preferred IUPAC name of the compound shown? A. 4-methylpentan-3-ol B. 3-methylpentan-2-ol C. 2-methylpentan-3-ol D. 1-isopropylpropan-1-ol
Which compound is optically active? A. propan-2-ol B. butan-1-ol C. 2-methylpropan-2-ol D. butan-2-ol
What is the correct order of reaction types in the following sequence? A. I: addition; II: substitution; III: oxidation B. I: substitution; II: addition; III: oxidation C. I: addition; II:…
Which of the following pairs of reactants could form the carbocation intermediate shown? I. (CH3)2C=CHCH3 and HBr II. CH3CH2CH(CH3)CH2Br and H2O III. CH3CH2C(CH3)2Br and H2O A. I and II only B. I and III only C. II and…