NEET Solved Paper 2016 Question 14
Question: Which one of the following statements is correct when $ S{O_2} $ is passed through acidified $ {K_2}Cr _2O _7 $ solution?
Options:
A) The solution turns blue
B) The solution is decolourized
C) $ S{O_2} $ is reduced
D) Green $ Cr _2{{(SO _4)}_3} $ is formed
Show Answer
Answer:
Correct Answer: D
Solution:
- $ K _2Cr _2O{ _7}+SO _2+H _2SO _4 $ $ \to K _2SO _4+\underset{\text{green colour}}{\mathop{Cr _2{{(SO _4)}_3}+H _2O}}, $
