化學(xué)考研真題下載/u-9748568.html

北京科技大學(xué)

2011年碩士學(xué)位研究生入學(xué)考試試題









試題編號：629試題名稱：分析化學(xué)（共4頁）

適用專業(yè)：化學(xué)

說明：所有答案必須寫在答題紙上，做在試題或草稿紙上無效。





一、選擇題(共15題30分，2分/題)

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*+,

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1.FeCrSiNiMnAlCrNi,Na2O2&,

------------------------------------------------------------------------------------------------------------------()

././././

0123

(A)-(B)(C)(D)

5678978:;=>

?@

,

<

2.4--------------------------------------------------------------()

F>I9F>I9

CDEHCDEKH

J

BB

AGA

(A)A(B)

F>I9F>I9

CDEKHCDEH

JJJ

BB

G

(C)A(D)

NOPQRST56789U>

LM,

3.G---------------------------------------------------------()

(A)K2Cr2O7(B)EDTA(C)FeNH4(SO4)2(D)Na2S2O3

XYZ\

W[abcde

]^_

`

4.V-----------------------------------------------------------------()

(A)Na2C2O4(B)H2C2O4?2H2O(C)K2Cr2O7(D)Na2CO3

jk

bcdb

hi

5.1:2H2SO4fg--------------------------------------------------------------------()

(A)6mol/L(B)12mol/L(C)24mol/L(D)18mol/L

orsw??

tx}~??????

mnpqhuv?

?

??

??

yz{|

6.lBaCl22H2OBa

??

????

???

?

??

|

[Mr(BaCl22H2O)=244.3,Ar(Ba)=137.3]{---------------------------()

(A)x=55.42s=1.5(B)x=56.15s=2.1

(C)x=56.14s=0.21(D)x=55.10s=0.20

??

???ˉ

?????￡|§¨?a?

???￠¤?

??-

￥

7.?,--------------------()

3·3·11

μ?μ??

??

2′2′?o???

(A)°±+(B)+(C)+(D)+

?èéíòó

áê?ì

?

4-??4-

?????D?

8.àNa2H2YY[δ(Y)],-----------------------()

?×óùúùóùú

???ü

4-?4-

?

(A)δ(Y)?(B)δ(Y)pH

óùúùóù

??ü

?

4-4-T

Y

(C)δ(Y)?pH(D)δ(Y)pH

a???èìú?

??í?e?÷?ù

òó??

?

2+?

áéê?áé

9.àpH=10.0,EDTAZn,

--------------------------------------------------------------------------------------------------------------------()

(A)[Zn2+']=[Y'](B)[Zn2+]=[Y4-](C)[Zn2+']=[Y4-](D)[Zn2+]=[Y']

￠

y

á?￡¤

10.üEDTApK～pK0.9,1.6,2.0,2.67,6.16,10.26pH=13.0cmol/LEDTA

a1a6



￥|§



?



¨()

(A)[HY]=[Y](B)c(Y)=[Y](C)[H2Y]=[Y](D)[H2Y]=[HY]

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-./3456

)*1)*;<=

+,

9>

:

2+22+

078

11.(,Fe,Fe---------------------()

A

@

(A)HCl(B)H3PO4(C)HF(D)?

/-.EFKLNO

<*G

CDHIJMP

(

12.B-----------------------------------------------()

3+2+4+2+-2++2+3+

(A)2Fe+Sn=Sn+2Fe(B)MnO4+5Fe+8H=Mn+5Fe+4H2O

4+2+3+3+2--2-

(C)Ce+Fe=Ce+Fe(D)I2+2S2O3=2I+S4O6

TU]^_

XY

RSVW`

Z[\

13.Q---------------------------------------------------------------()

bceUbh_eU

adad

fgfg

[\

(A)[\(B)

bijrstu

aklavx

no

[\m[\q[\[\w

p

(C)Q(D)

?????????

{|}~?{?~?~

z????

y?

14.y,---------------------------()

(A)FeCl3(B)BaCl2(C)NaCl+Na2S(D)NaCl+Na2SO4

??

????~

??

15.?(ε)------------------------------------------------------------------------------()

???

(A)mol/(L?cm)(B)L/(molcm)(C)mol/(gcm)(D)g/(molcm)

二、填空題(共20題40分，2分/題)

?????

?￠￡¤￥||§¨

16.?(1)_________________________________;

(2)_______________________________;(3)___________________________?

3′

±2

a??-?°??¤¤￡μ?·¨

17.NaOHH3PO4ˉpH=4.7,____________

?¤???

o

________________________________(H3PO4pKa1~pKa3?12.127.2012.36)

àá??éê?ì

???èí?

?

D

???????

18.???,NaOHHCl__________,NaOH

êú

?ó???×????ù

D

???ò

HAc?________________(pH)

àá?aa?e

?????èéêè?

??ìí

üYT?

??

19.?HClHCl

??

??ò?

?

?

÷

?

ópKb=4.76

ú?üyúetya??y?e?eü

èò

??￠¤è

￥

?

?óù￡?

20.ùCO2NaOHNaOH

a¨?

|§







2-

CO3

!



"#$%





¨

+,/012

'()**

&-34

21.NaOHK2SiF6.HFK2SiF6+H2OH2SiO3+KF+HF

:;

52782<

9

=

Si6NaOH

?@ADEGHDMNRST

2BC<ICU

JK

2+O

FLPQ

22.>pH=10,T(EBT),EDTACa,

abcdefjklmnkl

V

]

YZ[\

X^_`ghiohiX

,W________________,____,

mn

p

____o

defsx{??

}~?????

r??

w?

|

z

-uv2-

toy?

23.qPARH2InHInInPAR

???????????

??}????

??

??

pK=12.4?pH=____________________pH

a2

??

??~??

?

??

________________?

化學(xué)考研真題下載/u-9748568.html

α

?·?1o?????àá??????èé

?ìí

24.EDTAM,MA,B,C,Mê

__________________________________________?

??×

???Dòó????òó?

·?αα

25.êYY

üY?à

Ta?è?ìí??ò

???

éê

??

3+ú2+2+3+

ááá

ùe?

26.ùAlMgMgAl

ó??÷?

ùüyt?

ú?

?

e

￡¤

?￠￥|

§

¨?



27.,KMnO4

___________________________;









SnCl2____________________________

!"()

#*123

&'''+,-.

%

+4+$4+2+00

/0

28.2A+3B2A+3BEAEB

;<=>

456789:

?

L

ABCDAFAJKM

GHII

EE

@@N

29.@

PQRSUVW

T

HXYZ

G?

QS[

\

]^]^

30.O=KQS

S

_

]^abcd

Q-S`K

hjklhmqr

io

p

gegn

31.efNH4SCN

xy|}

vww~????????~~

tuz{?????

??

????

32.s,D=20,,

x?

(E)_____________________________?

???

¤￥§¨?-

??￠￡￠￠

?????

?a

|

???

33.?

±

?ˉ￠￠

°

?

?

o??àá??ì??

μ?·?????????êí

3′èé

??

1

34.2

ó??

?ùú?

ò

?

D

??

1500mLK2Cr2O7×

ú?ùú?àáa??

üT

DD

Y??

2?25.00mLHAcNaOH

???è

???

ü

?

D

?