ÀÚµ¿·Î±×ÀÎ
ÄÁÅÙÃ÷ | contents
ÀϹݰԽÃÆÇ
Q&A°Ô½ÃÆÇ
°øÇÐ S/W
½ºÅ͵ð | study
´ÜÀ§È¯»ê
³óµµ°è»ê
ÀϹÝÈ­ÇÐ
È­°øÀϹÝ
È­°ø½Ç¹«

   
  complex ion ¹®Á¦...
  ±Û¾´ÀÌ : °íµù   °íÀ¯ID : °íµù     ³¯Â¥ : 39-02-06 00:00     Á¶È¸ : 6648    
¾È³çÇϼ¼¿ä..¹Ì±¹¿¡¼­ °øºÎÇÏ°íÀÖ´Â °íµîÇлýÀÔ´Ï´Ù..¤Ð¤Ð
À̹ø³âµµ¿¡ ´ëÇаúÁ¤ È­ÇÐÀ» µè°íÀִµ¥ ³Ê¹« ¾î·Æ³×¿ä..
¾Æ¹«¸® ´äÀ»Ã£¾ÆºÁµµ ¾ø°í..¿©±â¿¡ Áú¹®À» ¿Ã¸³´Ï´Ù..


---------------------------------
¼¼°¡Áö ¿°ÀÌÀÖ´Ù -> complex ion of Cr (chromium)°¡Áö°íÀÖÀ½. molecular formular´Â CrCl3*6H20.

ù¹ø° 0.27gÀÇ ¿°À» strong dehydrating agent¿Í ¹ÝÀÀ½ÃÄ×´õ´Ï 0.036gÀÇ Áú·®À» ÀÒ¾ú´Ù

µÎ¹ø° 270mgÀ» ¶È°°Àº dehydrating agent¿Í ¹ÝÀÀÈÄ 18mgÀÇ Áú·®À» ÀÒ¾ú´Ù.

3¹ø°¿°Àº ¶È°°Àº dehydrating agent¹ÝÀÀÇßÁö¸¸ Áú·®ÀÇ º¯È­°¡¾ø¾ú´Ù.

excess AgNO3À»  °¢ ¿°ÀÇ 0.1M 100ml¿¡ ³Ö¾ú´õ´Ï °¢±â ´Ù¸¥ AgClÀ» ¸¸µé¾î³»¾ú´Ù.

ù¹ø°´Â 1430mg AgCl, µÎ¹ø°´Â 2870mg AgCl, ¼¼¹ø°´Â 4300mg AgCl.

¼¼°¡Áö¿°Áß µÎ°¡Áö´Â ÃÊ·Ï»öÀÌ°í ³ª¸ÓÁöÇϳª´Â purpleÀÌ´Ù.

***
À§ÀÇ »ç½ÇµéÀ» º¸°í, °¡´ÉÇÑ, 3°¡Áö¿°ÀÇ structural formulasÀ» ±¸Çضó.

´äÀÇ ¼³¸íÀº À§ÀÇ °üÂû¿¡ ±âÀÎÇؼ­ ¼³¸íÇضó. ¼¼°¡Áö¿°Áß ¾î¶² ¿°ÀÌ violet(purple)ÀÎÁö ¸»Ç϶ó..


---------------

Á¦°¡ ´ëÃæ Çؼ®Çغôµ¥..³Ê¹« ¾î·Æ³×¿ä..¿äÁò complex ion¹«½¼ ¸®°£µå Çϴµ¥..¤Ð¤Ð

Çб³¿¡¼­ Ã¥Àº zumdahl chemistry 5th edition¾²±¸¿ä.. ÀÎÅÍ³Ý °Ë»öÇغ¸´Ï Çѱ¹ ´ëÇб³È­Çаú¿¡¼­µµ ¾²³ªº¸³×¿ä.. Àü Áö±Ý chapter 20, 75¹ø ¹®Á¦°Åµç¿ä..¤Ð¤Ð ¾ÆÀ̱¸ ¾î·Á¿ö¶ó...

°íµù °íµù   39-08-02 00:00
³Ê¹«³Ê¹«³Ê¹«³Ê¹«³Ê¹« °¨»çµå¸³´Ï´Ù...

¾Æ¾Æ Á¤¸» °¨»çµå¸³´Ï´Ù ¤Ð¤Ð
Stefano Stefano   39-08-02 00:00
1) ÀÌ¿ª ¹Ì±¹¿¡¼­ °í±³¸¦ ´Ù´Ï´À¶ó ¼ö°í°¡ ¸¹°Ú½À´Ï´Ù.

2) °Ô½ÃÆÇ¿¡ ±ÛÀ» ¿Ã¸± ¶§,  º»¸í ȤÀº º»Àθ¸ÀÇ º¯ÇÏÁö ¾Ê´Â °íÀ¯ID¸¦ »ç¿ëÇÏ´Â °ÍÀ» ±ÇÇÕ´Ï´Ù.
Stefano Stefano   39-08-02 00:00
(0)¼öÈ­¹°ÁúÀÌ CrCl3*6H2O À̶ó´Â È­ÇнÄÀ¸·Î ³ªÅ¸³ÂÁö¸¸ °°Àº È­ÇнÄÀ¸·Îµµ ½ÇÁ¦ÀÇ °áÁ¤±¸Á¶´Â ´ÙÀ½ÀÇ 3°¡Áö°¡ ÀÖ´Ù´Â °ÍÀ» ¾Ë°í ¹®Á¦¸¦ Ç®¾îº¸´Â °ÍÀÌ ÀÌÇØÇϱ⠽¬¿ï°Í °°½À´Ï´Ù.

[Cr(H2O)4Cl2]Cl*2H2O........Green Rhombic Crystal
[Cr(H2O)5Cl]Cl2*H2O........Green Crystalline Powder
[Cr(H2O)6]Cl3..............Violet Monoclinic Crystal,

ÀÌµé ¹°ÁúÀÇ È­ÇнÄÀ»

[Cr*(H2O)(6-x)*Cl(3-y)]*Cly * x(H2O)¶ó°í ÇßÀ» ¶§

°ÇÁ¶¿¡ ÀÇÇØ Å»¼öµÇ´Â °áÁ¤¼ö x¸¦ ±¸ÇÏ°í
ħÀü¹ÝÀÀ¿¡ ÀÇÇØ y¸¦ ±¸Ç϶ó´Â ¹®Á¦·Î º¸ÀÔ´Ï´Ù. 

(A) °ÇÁ¶½ÇÇè
1)0.27g Hydrous Salt->Dehydration->0.036g(0.002g-mol)Å»¼ö
2)0.27g Hydrous Salt->Dehydration->0.018g(0.001g-mol)Å»¼ö
3) ? g Anhydrous Salt->Dehydration----> 0 g (0 g-mol)Å»¼ö

À§·ÎºÎÅÍ °¢°¢ÀÇ °æ¿ì °ÇÁ¶°¡´É ¼öºÐÀÇ ÇÔ·®Àº (Wet Salt Basis·Î
1) 0.036/(0.27)=0.1333
2) 0.018/(0.27)=0.0667
3) 0/??=0

ºÐÀÚ½ÄÀ¸·ÎºÎÅÍ °áÁ¤¼öÀÇ Áú·®ºÐÀ²=(xi)*(18.02)/(266.45), Xi´Â Á¤¼ö

Salt 1: 18.02(x1)/(266.45)=0.1333  x1¡Ö2
Salt 2: 18.02(x2)/(266.45)=0.0667  x2¡Ö1
Salt 3: x3=0

(B) ħÀü½ÇÇè
ħÀü¹ÝÀÀÀº ´ÙÀ½ÀÇ À̿°£ÀÇ ¹ÝÀÀÀ» µ¿¹ÝÇÒ °ÍÀÔ´Ï´Ù.
Cl-  +  Ag+ -----> AgCl¡é
ħÀüµÈ AgClÀÇ ¾çÀ» ¾Ë¸é Cl-ÀÌ¿ÂÀÇ ¾çÀ» ¾Ë¾Æ³¾ ¼ö ÀÖ½À´Ï´Ù. Áú¹®³»¿ë ÁßÀÇ ½ÇÇè¿¡¼­´Â °¢°¢ÀÇ ¿°¿¡ ´ëÇØ À§ÀÇ Ä§Àü¹ÝÀÀÀ» ÀÏÀ¸Å°´Â Cl-ÀÇ ¾çÀ» ±¸Çϱâ À§ÇØ AgClÀÇ Ä§ÀüÀÇ Áú·®À» AgClÀÇ ºÐÀÚ·®(143.3)À¸·Î ³ª´©¸é °¢°¢ÀÇ °æ¿ì Cl-ÀÌ¿ÂÀÇ ´ç·®À» ¾Ë ¼ö ÀÖ½À´Ï´Ù.

ħÀü½ÇÇè¿¡ »ç¿ëÇÑ °¢°¢ÀÇ ¿°ÀÇ »ç¿ë·®Àº 0.1M*(0.1L)=0.01 g-moleÀ¸·Î ¸ðµÎ °°½À´Ï´Ù.

0.01 g-molÀÌ Ä§Àü¹ÝÀÀ¿¡ ¼Ò¿äµÈ Cl-ÀÇ ¾çÀº °¢°¢
1) 1.43/143.3 ¡Ö 0.01 g-mol Ag+ or Cl- Ion
2) 2.87/143.3 ¡Ö 0.02 g-mol Ag+ or Cl- Ion
3) 4.30/143.3 ¡Ö 0.03 g-mol Ag+ or Cl- Ion

¡Åy1=0.01/0.01=1, y2=0.02/0.01=2, y3=0.03/0.01=3

(C) È­ÇнÄ

[Cr*(H2O)(6-x)*Cl(3-y)]*Cly * x(H2O) ¿¡¼­
[xi] = (x1,x2,x3) = (2,1,0)
[yi] = (y1,y2,y3) = (1,2,3)

(D) °áÁ¤ÀÇ Color

Salt1:[Cr(H2O)4Cl2]Cl*2H2O......Green Rhombic Crystal
Salt2:[Cr(H2O)5Cl]Cl2*H2O......Green Crystalline Powder
Salt3:[Cr(H2O)6]Cl3............Violet Monoclinic Crystal

(E) Ligand
¾Æ¸¶µµ È­ÇнÄÀÇ "[ ]" ¾È¿¡ ÀÖ´Â ±¸Á¶´Â °ÇÁ¶Çϰųª ¿ëÇØÇصµ °áÇÕÀÌ ±úÁöÁö ¾Ê°í À¯ÁöµÇ´Â °Í °°½À´Ï´Ù. 
   

Copyright 1999.07.10-Now ChemEng.co.kr & 3D System Engineering. (mail : ykjang@naver.com, call 010-4456-8090)