i have uploaded experiment for chem labI need an expert to answer question located on result and...

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i have uploaded experiment for chem labI need an expert to answer question located on result and discussion (from 1-7)Can you help me please !!!Thanks

Robert · Accepted Answer

Solution TTs300913_114054_1
Anion/Test Test I Test II Test III Test IV Test V 
Cl
- 
Vapor turns 
blue litmus 
red 
Vapor turns 
blue litmus 
red 
White ,curdy 
ppt. 
No reaction Color of 
KMnO4 
solution fades 
Br
- 
Vapor turns 
blue litmus 
red 
Reddish-
brown vapor 
Pale yellow, 
curdy ppt. 
No reaction Color of 
KMnO4 
solution fades 
I
- 
No reaction Violet vapor yellow, curdy 
ppt. 
No reaction Color of 
KMnO4 
solution fades 
SO4
2-
 No reaction No reaction White 
crystalline 
ppt. 
White ppt.
No reaction 
C2O4
2-
 No reaction Vapor turns 
lime water 
turbid 
White ,curdy 
ppt. 
White ppt. Color of 
KMnO4 
solution fades 
CO3
2-
 Colorless gas 
turns blue 
litmus red and 
turns lime 
water turbid 
Vapor turns 
lime water 
turbid 
White ppt. White ppt. No reaction 
NO3
- 
No reaction Reddish-
brown vapor 
with pungent 
odor. 
No reaction No reaction No reaction
2.  Screening Test 1:  
Cl
- 
:    Cl
-
 (aq)  +  H
+
(aq)  ------   HCl (g)                             
Br
- 
:    Br
  -
 (aq)  +  H
+
(aq)  ------   HBr (g)                  
I
- 
:    I
-
 (aq)  +  H
+
(aq)  ------ No reaction 
SO4
2-
 :     SO4
2 - 
(aq)  + H
+
(aq)  ------ No reaction 
C2O4
2-
:  C2O4
2-
 (aq)  + H
+
(aq)  ------ No reaction 
CO3
2-
 : CO3
2-
(aq) + H
+
(aq)  ------- CO2(g) + H2O (l) 
                CO2(g) + H2O (l) ------- CO3
2-
(aq) + H
+
(aq)  
                 CO2(g) + Ca
2+
(aq) -------- CaCO3 (s)     +  H2O(l) 
NO3
-
:    NO3
-
 (aq)  +  H
+
(aq)  ------ No reaction 
.
Screening Test 2: 
Cl
- 
:    Cl
-
 (aq)  +  H
+
(aq)  ------   HCl (g)   
Br
- 
:  2 Br
  -
 (aq)  +  2 H2SO4(aq)  ------   Br2(g)    + SO2 (g)    + SO4
2-
(aq)  + 2H2O(l) 
I
-
 :   2 I
-
 (aq)  +  2 H2SO4(aq)  ------   I2(g)    + SO2 (g)    + SO4
2-
(aq)  + 2H2O(l) 
SO4
2-
 :     SO4
2 - 
(aq)  + H
+
(aq)  ------ No reaction 
C2O4
2-
:

i have uploaded experiment for chem lab I need an expert to answer question located on result and discussion (from 1-7) Can you help me please !!! Thanks

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