NEET Chemistry The p-Block Elements (XII) Questions Solved


Assertion : Sulphur dioxide is more powerful reducing agent in alkaline medium than in acidic
medium.

Reason :  Sulphur dioxide reacts with hydrogen sulphide in presence of moisture and sulphur is
precipitated.

Show Options

(B) 2H2O +SO2SO42-+4H++2e- (increase in H+ will shift the equilibrium in backward direction)

SO2+4OH-SO42-+2H2O+2e- (increase in OH- will shift the equilibrium in forward direction)

 2H2S+SO2moisture2H2O+3S

Difficulty Level:

  • 43%
  • 48%
  • 10%
  • 0%