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chem 1-5

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卡片总数: 6 张•内容版本: v4•公开卡包•更新时间: 8/1/2026

卡片预览 (6 张)

#1
正面 (问题)

Which of the following equations represents a reaction of esterification? -CH3CH2CH3 + Br2 → CH3CH2CH2Br + HBr -CH3CH2COOH + NaOH → CH3CH2COONa + H2O -CH3COCl + CH3CH2OH → CH3COOCH2CH3 + HCl -CH3CH = CH2 + HBr → CH3−CH2−CH2Br

背面 (解答)

CH3COCl + CH3CH2OH → CH3COOCH2CH3 + HCl

#2
正面 (问题)

The oxidation number of sulfur is the lowest in: -SO2 -SO3 -Na2S -H2SO3

背面 (解答)

Na2S

#3
正面 (问题)

The addition product of HBr and 2-methyl-2-butene is: -3-bromo-2-methylbutane -1-bromo-3-methylbutane -2-bromo-2-methylbutane -1-bromo-2-methylbutane

背面 (解答)

2-bromo-2-methylbutane

#4
正面 (问题)

Which of the oxides does not react with CO2? Na2O SO2 CaO K2O

背面 (解答)

SO2

#5
正面 (问题)

Which of the reactions shown below represents a Brønsted acid-base reaction? Ca2+ + CO32+ → CaCO3 HCO3– + H+ → H2CO3 Fe + Cu2+ → Fe2+ + Cu CaCO3 + H2CO3 → Ca(HCO3)2

背面 (解答)

HCO3– + H+ → H2CO3

#6
正面 (问题)

Brønsted argued that all acid-base reactions involve the transfer of an H+ ion, or proton. TRUE OR FALSE

背面 (解答)

TRUE