100ml of 0.0018% (w/v) solution of Cl- ion was the minimum concentration of Cl- required to precipitate a negative sol in one h. THE coagulating value of Cl- ion is_________.
(Nearest integer)
100ml of 0.0018% (w/v) solution of Cl- ion was the minimum concentration of Cl- required to precipitate a negative sol in one h. THE coagulating value of Cl- ion is_________.
(Nearest integer)
-
1 Answer
-
Wt of Cl- in 100 ml = 1.8 × 10-3 gm
Mol. of Cl- in 100 ml =
i.e. 0.507 milli mole in one lit required in one hr.
Coagulation value = (millimole/lit) required in one hr = 0.507
= 1 (the nearest integer)
Similar Questions for you
K2Cr2O7 + H2O2 + H2SO4->
Oxidation state of chromium = +6.
Potassium permanganate in alkaline medium oxidise lodide to lodate.
Compound A is
KMnO4 decomposes upon heating at 513 K and forms K2MnO4 and MnO2.
2KMnO4
The colour changes due to change in pH not due to its reaction with water.
Taking an Exam? Selecting a College?
Get authentic answers from experts, students and alumni that you won't find anywhere else
Sign Up on ShikshaOn Shiksha, get access to
- 65k Colleges
- 1.2k Exams
- 688k Reviews
- 1800k Answers