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INQUAL
------
Qualitative Inorganic Analysis Simulation
----------------------------------------GROUP I
=======
Hg2+2,Ag+,Pb+2 (soln)
-------------!
HCl-6M-'1'
!
Hg2Cl2,AgCl,PbCl2 (ppt)
----------------!
Hot Water -'25'
!
---------------------------------------------!
!
Pb+2 (soln)
Hg2Cl2,AgCl (ppt)
-------------!
!
K2CrO4-1M-'4'
NH3-4M,aq-'3'
!
!
PbCrO4 (yellow ppt)
---------------------------!
!
HgNH2Cl,Hg(grey ppt)
Ag(NH3)2+1(soln)
------------------!
HNO3-4M-'2'
!
AgCl (white ppt)
----
GROUP II
========
Pb+2,Bi+3,Cu+2,Cd+2,Hg+2,As+3,Sb+3,Sn+2,Sn+4 (soln)
-------------------------------------------!
HNO3-4M-'2'
!
Pb+2,Bi+3,Cu+2,Cd+2,Hg+2,As+3,Sb+5,Sn+4 (soln)
--------------------------------------!
HCl-6M-'1'
CH3CSNH2-5%-'7'
!
PbS,Bi2S3,CuS,CdS,HgS,As2S3,Sb2S5,SnS2 (ppt)
-------------------------------------!
NaOH-4M-'8'
CH3CSNH2-5%-'7'
!
-----------------------------------!
!
PbS,Bi2S3,CuS,CdS (ppt) HgS2-2,AsS3-3,SbS3-3,SnS3-2 (soln)
------------------------------------------DIVISION
'A'
DIVISION
'B'
Division A
===========
PbS,Bi2S3,CuS,CdS (ppt)
----------------!
HNO3-6M-'21'
!
------------------------------------------!
!
Solid Sulfur
Pb+2,Bi+3,Cu+2,Cd+2 (soln)
-----------------------------!
H2SO4-4M-'9'
!
-----------------------------------------!
!
PbSO4 (white ppt)
Bi+3,Cu+2,Cd+2 (soln)
-----------------!
!
NH4OAc-1M-'12'
NH3-15M-aq-'13'
HOAc-1M-'10'
!
K2CrO4-1M-'4'
----------------------------------!
!
!
!
PbCrO4 (ppt)
Bi(OH)3 (ppt)
Cu(NH3)2+2 (soln)
Cd(NH3)2+2(soln)
-----------------------------yellow
white
blue
clear
!
/
!
SnCl2/NaOH-'20'
/
KCN-1M-'14'
!
[No Cu+2]/
!
Bi (black ppt)
/
Cd+2(clear soln)
--!
---CH3CSNH2-5%-'7'
!
!
CH3CSNH2-5%-'7'
CuS (yellow ppt) <-<!
---
Division B
============
Hg2S2-2,AsS3-3,SbS3-3,SnS3-2 (soln)
---------------------------!
HCl-1M-'6'
!
HgS,As2S3,Sb2S3,SnS2 (ppt)
-------------------!
HCl-6M-'1'
!
---------------------------------------------!
!
HgS,As2S3(ppt)
SnCl6-2,SbCl4-1 (soln)
----------------------!
!
NH3-4M-aq-'3'
HCl-6M-'1'
H2O2-5%-'15'
Al wire -'17'
!
!
----------------------------------------!
!
!
!
HgS(black ppt)
AsO4-3(soln)
Sb(black ppt)
Sn+2 (soln)
-----------!
!
!
!
NaClO-5%-'19'
NH3-15M-aq-'13'
HNO3-4M-'2'
HgCl2-.2M-'13'
HCl-6M-'1' magnesia -'16'
H2C2O4-1M-'11'
!
SnCl2-1M-'22'
!
!
Hg2Cl2(grey ppt)
!
MgNH2AsO4(white ppt) SbS3(orange-red ppt)-----Hg2Cl2 (grey ppt)------------
The program has been changed from its original form so that
all NH3's are equivalent, all HNO3's are equivalent, and the order
in which two or three reagents are added in sequence is not important.
(All HCl's are NOT equivalent.)
The values of E1 and E2 (maximum number of errors allowed for
groups I and II )are at the discretion of the teacher. See line 1090.
The teacher may assign unknowns ( i.e. the 3/8/10 digit numbers
asked for in lines 2000/6110/3000) or ask the student to choose his/her
own.
In the first case the teacher will first have to decide the chemical
contents of the unknown and then construct the number using the
logic of lines 2040-2080,6150-6220,3070-3160.
In either case the teacher has no way of knowing whether the student
actually did the assignment (if no record files are used) since there
is no paper output. Any teacher who wishes may contact RTO'N for a
copy of QUALIN, the hard-copy version of the program. However this
version requires the student to have a copy of the reagent number
list at the terminal, which makes the learning process less effective.