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无机化学练习?含答??3? 卤素 - 百度文库

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13 ±

13-1 ƷʱΪβ KF ˮҺҺ̬Ϊʲô磬صˮҺȴܵ磿

⣺ΪF2ˮܷҵĻѧӦҺ̬HFУûƶӣʶܵ硣KFˮHFҺУK+HF2- 13-2 ڱԪЩԣЩԣ

⣺1Fİ뾶رСF2رСF-ˮȱ±Ӷࡣ

2HFӼHFӵ۷еرߡ 3AgFΪˮĻ 4F2ˮӦ︴ӡ

5HFһᣬŨǿ 6HFSiO2ηӦ̬SiF4

13-3 1ݵ缫ƱȽKMnO4 pK2Cr2O7 MnO2 (1mol.L-1)ӦCl2 ķӦơ

2MnO2ᷴӦʹ˳طCl2 ŨǶ٣

⣺(1)ݵ缫ƵĹϵ֪Ӧƣ KMnO4>K2Cr2O7>MnO2;

13-4 ݵͼ298KʱBr2 ڼˮҺ绯ΪBr- BrO3- ķӦƽⳣ

⣺ɹʽ-ZFE=-RTlnK ãK=expZFE/RT =2.921038

13-5 NF3е-129棩Lewis ԣԷϵ͵ĻNH3 е-33棩ȴǸ֪Lewis a˵ǻӷԲ֮ԭ򣻣b˵ǼԲͬԭ

⣺1NH3нϸߵķе㣬ΪӼ

2NF3УFԭӰ뾶СڿռλãʹLewisᡣ

⣬Fԭӵĵ縺ԽϴԭNĸԡ

13-6 ±ȡBr2 ѧ۵㿴Br- ɱO2 ΪBr2 ΪʲôO2 ȡBr2

13-7 ͨCl2ʯУɵƯ׷ۣƯ׷ҺмɲCl2õ缫˵

?⣺ΪCl2ͨʯڼԽõģΪ?Cl/Cl?ClO/Cl

--22Cl2ڼ׷绯Ӧ

?Ư׷Һм, ?HClO/Cl??Cl/Clʶ

?22·Ӧܹҽ:

HClO + Cl- + H+ = Cl2 + H2O

13-8 ЩOF2 pCl2O7pClO2pCl2OpBr2O I2O5 дӦõķӦ

⣺Cl2O7HClO4Cl2OBr2OֱHClOHBrO 13-9 μKClOpKClO3 KClO4 Σ

⣺ֱȡԹУʵ ϡἴCl2ųKClO; KClO+2HCl=KCl+Cl2+H2O

ŨCl2ųҺƵKClO3;

8KC1O3+24HCl(Ũ)=9Cl2+8KCl+60ClO2()+12H2O һΪKClO4

13-10 õ缫ƽڵ۵⻯ҺмNaClO ʱ õɫҺANaClO ʱ õɫҺ B Ȼữ֮ Na2SO3 B ҺAɫ֣Na2SO3 ʱɫȥΪɫҺC ټNaIO3 ҺɫA Һֳָ֡ApBpCΪʣдķӦʽ

⣺AI2 BNaIO3

CNaI

13-11 д͹ H2O2 Ӧķʽڸϵмۣῴʲô

⣺HIO3+3H2O2=3O2+HI+3H2OڸϵмۣҺɫ

13-12 дйۼĽ±ķʽ˵±Ĺͬԡ

⣺AlCl32AlBr32AlI32оλ

13-13 ʲôǶ±I3- ӱȽϣγBr3-pCl3- ӵ 13-14 ʲô±ػ

aдClF3pBrF3 IF3 ±ػԭӻӵӹͺͷӹ͡

bлBrF3 ӴʱڱըΣ˵ԭ

SbF5 ; CH3OH ; F2 ; S2Cl2

cΪʲô±ػﳣǷԹͶұ±ػѧԴ

13-15 ʵһ±ƣˮŨH2SO4 ȷεʺơ

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13 ± 13-1 ƷʱΪβ KF ˮҺҺ̬Ϊʲô磬صˮҺȴܵ磿 ⣺ΪF2ˮܷҵĻѧӦҺ̬HFУûƶӣʶܵ硣KFˮHFҺУK+HF2- 13-2 ڱԪЩԣЩԣ ⣺1Fİ뾶رСF2رСF-ˮȱ±Ӷࡣ 2HFӼHFӵ۷еرߡ 3AgFΪˮĻ 4F2ˮӦ︴ӡ 5HFһᣬŨǿ 6HFSiO2ηӦ̬SiF4 13-3 1

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