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D and F Block Elements question

2016 · Q99
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D and F Block Elements question

2016 · Q99

NEETChemistryD and F Block ElementsMCQ+4 / −1
Which one of the following statements is correct when SO2 is passed through acidified K2Cr2O7 solution?
  1. A
    SO2 is reduced.
  2. B
    Green Cr2(SO4)3 is formed.
  3. C
    The solution turns blue.
  4. D
    The solution is decolourised.
View written solutionFree

Correct answer: B

K2Cr2O7

  • H2SO4
  • 3SO2 →\to→

               K2SO4
  • Cr2(SO4)3 (Green)
  • H2O
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