2014
骞存櫘閫氶珮绛夊鏍℃嫑鐢熷叏鍥界粺涓�鑰冭瘯鍖栧璇曢鍒嗙被姹囩紪
涓撻鍗佷竴
姘存憾娑蹭腑鐨勭瀛愬钩琛?/p>
1
锛?/p>
锛?/p>
2014
路
閲嶅簡鐞嗙患鍖栧鍗凤紝
T3
锛?/p>
涓嬪垪鍙欒堪姝ｇ‘鐨勬槸
(
)
A
锛庢祿姘ㄦ按涓淮鍔?/p>
FeCl
3
楗卞拰婧舵恫鍙埗寰?/p>
Fe(OH)
3
鑳朵綋
B
锛?/p>
CH
3
COONa
婧舵恫涓淮鍔犲皯閲忔祿鐩愰吀鍚?/p>
c(CH
3
COO
锛?
)
澧炲ぇ
C
锛?/p>
Ca(HCO
3
)
2
婧舵恫涓庤繃閲?/p>
NaOH
婧舵恫鍙嶅簲鍙埗寰?/p>
Ca(OH)
2
D
锛?/p>
25
鈩冩椂
Cu(OH)
2
鍦ㄦ按涓殑婧惰В搴﹀ぇ浜庡叾鍦?/p>
Cu(NO
3
)
2
婧舵恫涓殑婧惰В搴?/p>
銆愮瓟妗堛�?/p>
D
銆愯В鏋愩�?/p>
A
銆佹祿姘ㄦ按鍜?/p>
FeCl
3
婧舵恫鍙嶅簲浜х敓
Fe(OH)
3
娌夋穩锛屼笉浼氫骇鐢熻兌浣擄紝
A
閿欒锛?/p>
B
銆佸姞鍏ユ祿鐩愰吀锛屼娇
骞宠
CH
3
COO
-
+H
+
CH
3
COOH
鍚戞鏂瑰悜绉诲姩锛?/p>
(
)
c
飥?/p>
3
CH
COO
鍑忓皬锛?/p>
C
銆佸弽搴旂殑鍖栧鏂圭▼寮忎负
Ca(HCO
3
)
2
+2NaOH=CaCO
3
鈫?Na
2
CO
3
+2H
2
O
锛?/p>
C
閿欒锛?/p>
D
銆?/p>
Cu(OH)
2
鐨勬矇娣�婧惰В骞宠 鐨勬柟绋嬪紡涓?/p>
Cu(OH)
2
Cu
2+
+2OH
-
锛屽湪
Cu(NO
3
)
2
涓紝浼氫娇骞宠 鍚戦�嗘柟鍚戠Щ鍔紝瀵艰嚧婧惰В搴﹀噺灏忥紝
D
姝ｇ‘銆?/p>
2
锛?/p>
锛?/p>
2014
路
娴欐睙鐞嗙患鍖栧鍗凤紝
T12
锛?/p>
姘湪楗敤姘村鐞嗕腑甯哥敤浣滄潃鑿屽墏锛屼笖
HClO
鐨勬潃鑿岃兘鍔涙瘮
ClO
锛?
寮恒�?/p>
25
鈩冩椂姘皵
-
姘按浣撶郴涓瓨鍦ㄤ互涓嬪钩琛″叧绯伙細
Cl
2
(g)
Cl
2
(aq)
K
1
=10
锛?/p>
1.2
Cl
2
(aq)+ H
2
O
HClO + H
+
+Cl
锛?
K
2
=10
锛?/p>
3.4
HClO
H
+
+ ClO
锛?
K
a=?
鍏朵腑
Cl
2
(aq)
銆?/p>
HClO
鍜?/p>
ClO
锛?
鍒嗗埆鍦ㄤ笁鑰呬腑鎵�鍗犲垎鏁帮紙
伪
锛夐殢
pH
鍙樺寲鐨勫叧绯诲鍥炬墍绀恒�備笅鍒楄〃杩版纭殑鏄?/p>
A
锛?/p>
Cl
2
(g)+ H
2
O
2H
+
+ ClO
锛?
+ Cl
锛?
K
=10
-10.9
B
锛庡湪姘鐞嗘按浣撶郴涓紝
c(HClO) + c(ClO
锛?
) =c(H
+
)
锛?/p>
c(OH
锛?
)
C
锛庣敤姘鐞嗛ギ鐢ㄦ按鏃讹紝
pH=7.5
鏃舵潃鑿屾晥鏋滄瘮
pH=6.5
鏃跺樊
D
锛庢隘澶勭悊楗敤姘存椂锛屽湪澶忓鐨勬潃鑿屾晥鏋滄瘮鍦ㄥ啲瀛ｅソ
銆愮瓟妗堛�?/p>
C
銆愯В鏋愩�戝皢涓や釜鏂圭▼寮忕浉鍔狅紝寰楀埌
Cl
2
(g)+ H
2
O
2H
+
+ ClO
锛?
+ Cl
锛?
,
K=K
1
K
2
=10
-4.6
锛?/p>
A
閿欒锛涘湪姘?
澶勭悊姘翠綋绯讳腑锛屾牴鎹數鑽峰畧鎭掑彲寰楋細
c(OH
锛?
)+c(ClO
锛?
) =c(H
+
)
锛?/p>
B
閿欒锛涙牴鎹浘鍙互鐪嬪嚭锛屾姘吀鐨勬祿搴﹀湪
pH=7.5
鏃舵瘮
pH=6.5
鏃跺皯锛屾潃鑿屾晥鏋滃樊锛?/p>
C
姝ｇ‘锛涘瀛ｆ俯搴﹂珮锛屾姘吀鍙楃儹鏄撳垎瑙ｏ紝鍦ㄥ瀛ｇ殑鏉�鑿屾晥鏋滄瘮
鍦ㄥ啲瀛ｅ樊锛?/p>
D
閿欒銆?/p>
3
锛?/p>
锛?/p>
2014
路
澶╂触鐞嗙患鍖栧鍗凤紝
T5
锛?/p>
涓嬪垪鏈夊叧鐢佃В璐ㄦ憾娑蹭腑绮掑瓙娴撳害鍏崇郴姝ｇ‘鐨勬槸
(
)