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Which option classifies compound X as an amine and compound Y as an alcohol correctly? A. Primary amine and primary alcohol B. Secondary amine and primary alcohol C. Tertiary amine and primary alcohol D. Secondary amine and tertiary alcohol
2-Methylpropan-1-ol is heated with an acidified oxidizing agent and the first product is distilled off as it forms. What is this product? A. (CH3)2CHCOOH B. (CH3)2CHCHO C. (CH3)2CHCH2OH D. CH3COCH2CH3
Butan-1-ol is heated with an acidified oxidizing agent, and the first product formed is distilled off as soon as it forms. Which compound is collected? A. CH3CH2COCH3 B. CH3CH2CH2CH2OH C. CH3CH2CH2CHO D. CH3CH2CH2COOH
Which compound is the major product of the reaction between hydrogen bromide and 2-methylbut-1-ene, CH2=C(CH3)CH2CH3? A. 1-bromo-2-methylbutane B. 2-bromo-3-methylbutane C. 1,2-dibromo-2-methylbutane D. 2-bromo-2-methylbutane
Which compound reacts with HBr to form 2-bromo-2-methylbutane as the major product? A. Pent-2-ene B. 2-Methylbut-2-ene C. Pent-1-ene D. Cyclopentene
Which of these halogenoalkanes reacts fastest with aqueous hydroxide ions by an SN1 mechanism? A. CH3CH2CH2CH2Br B. CH3CH2CH2CH2I C. (CH3)3CBr D. (CH3)3CI
The structure of an isomer of 1,2-dichloroethene is shown. Which statement about this isomer is correct? A. It is the cis isomer and is polar. B. It is the cis isomer and is non-polar. C. It is the trans isomer and is polar. D. It is the trans isomer and is…
A student determines the concentration of an ethanoic acid solution by titration against standard NaOH(aq) from a burette. Which action would introduce a systematic error? A. Reading the burette at slightly different eye levels in each trial B. Using a…
The concentration of ethanoic acid in a sample of vinegar is determined by titration against a solution of sodium hydroxide of known concentration. Which procedure is most likely to produce a systematic error in the calculated concentration of the acid? A.…
A fixed amount of magnesium reacts with hydrochloric acid, which is added in increasing amounts. After each addition the reaction is allowed to finish. Mg(s) + 2 HCl(aq) → MgCl2(aq) + H2(g) Which graph shows how the amount of hydrogen formed changes…