Flag Engineering Entrance Exams> 78. When SO2 is passed through acidified ...
question mark

78. When SO2 is passed through acidified K2Cr2O7 solution, A. the solution turns blue B. the solution is decolourised C. SO2 is reduced D. green Cr2(SO4)3 is formed

Manvendra Singh chahar , 12 Years ago
Grade Upto college level
anser 2 Answers
Arun Singh
D. green Cr2(SO4)3 is formed When SO2 is bubbled through acidified solution of K2Cr2O7, the orange colour of K2Cr2O7 solution turns to clean green due to formation of chromium sulphate
Last Activity: 9 Years ago
Rithu
K2cr2o7+so2->cr2(so4)3+kOrange colour potassium dichromate changes on addition with sulphur dioxide changes 2 green colour chromium sulphate and potassium.This is not balanced.hope u find it useful
Last Activity: 8 Years ago
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments



question mark
Hello,
 
Can we learn and prepare for MHT-CET online ?
engineering entrance exams
1 Answer Available

Last Activity: 4 Years ago