sign up I login
 advanced
refer a friend - earn nickels!!

Ask & Discuss Questions with Community & Experts

Moderation Team
Ask iit jee aieee pet cbse icse state board community Discussion Response Post to: AIEEE- colors of salts...a must source to improve ur score :)-1
Forum Index -> Community shelf -> View Full Question like the article? email it to a friend.  
Author Message
kghedriu (2343)

Blazing goIITian

Olaaa!! Perrrfect answer. 425  [534 rates]

kghedriu's Avatar

total posts: 544    
offline Offline
COLOURS OF DIFFERENT  COMPOUNDS :::::
 
1)      CaCO3- white
2)    BaCO3- white
3)    PbCO3- white
4)    AgNO3- white
5)    Ag metal- black
6)    Ag2O- brown
7)    Acidic K2Cr2O7- orange
8)    Cr2(SO4)3- green
9)    All +3 state Cr salts are green in color
10) Acidic KMnO4- pink
11)  I2 solution- brown
12) I2 in presence of starch gives blue color
13) CaSO3 ? white turbidity
14) Colloidal sulphur- yellowish white turbidity
15) PbS- black
16) CdS- yellow
17) Na4[Fe(CN)5OS]- purple.
18) Ag2S- black
19)  Sulphide + dil HCl gives H2S gas
20)                       HNO2- pale blue
21) NO2- reddish brown gas
22)                       Brown ring complex: Fe[NO]SO4 (or) [Fe(H2O)5NO]SO4
23)                       I2 solid- brown ppt
24)                       I2 gas- violet vapours.
25)                       BaSO4- white
26)                       NH4Cl- dense white fumes
27)                        The white ppt AgCl when exposed to light turns into bluish grey silver metal.
28)                       AgI- yellow
29)                       PbCl2- white
30)                       CrO2Cl2- red gas
31)           H2CrO4- yellow
32)                       Na2CrO4- yellow
33)                        All (CrO4)2- salts are yellow.
34)                       H2Cr2O7- orange
35)                       CrO5- blue
36)                       (Cr2O7)2- => orange
37)                       Br2- orange red gas
38)                       [Ag(NH3)2]Br- pale yellow or yellowish white
39)                       PbBr2- yellowish white
40)                       PbI2- yellow
41)           Cu2I2- white
42)                       HgI2 ? red
43)                       PbCrO4- yellow ppt
44)                       Ag2CrO4- brick red
45)                       Ag2S- black
46)                       AgOH- white
47)                       Ag2S2O3- white
48)                       Ag2S- black
49)                       Hg2Cl2- calomel white
50)                       Hg- grey
 this article: 61 points  (with 11 Olaaa!! Perrrfect answer.   in 14 votes )   [?]
 
You have to be logged on to rate
  
 

 Aakash Institute IIT/ AIEEE/ Medical Crash Course
Name  
E-mail  
Phone  
Mobile  
** Hurry. Exclusive goIIT Offer. Limited Seats Only!
available in: New Delhi, Amritsar, Bhatinda, Bokaro, Chandigarj, Dehradun, Guwhati, Hyderabad, Indore, Jaipur, Kanpur, Karnal, Kolkata, Kota, Lucknow, Ludhiana, Mumbai, Noida, Patiala, Patna, Pune, Ranchi, Varanasi
Top Offers for goIITians
Correspondence Courses
Brilliant Tutorials
Narayana Institute
Aakash Institute
Classroom/Crash Courses
Aakash-IITJEE : AIEEE
Aakash-IITJEE : DCE
Aakash-IITJEE : MHTCET
Aakash Institute : AIPMT
Online Test Series
Brilliant Tutorials
Narayana Institute
Aakash Institute
Mahesh Tutorials
AMITY      Sri Chaitanya