Sulfur Dioxide Gas Preparation and Properties Quiz

Which of the following is NOT required for the preparation of sulfur dioxide gas?

• Concentrated sulfuric acid

• Potassium permanganate solution

• Sodium chloride

• Copper turnings

What is the role of the thistle funnel in the preparation of sulfur dioxide gas?

• To cool down the reaction

• To add sulfuric acid to the flask

• To ignite the burner

• To measure the gas volume

What is the observed color of sulfur dioxide gas?

• Colorless

• Purple

• Green

• Yellow

How does sulfur dioxide gas behave when dissolved in water?

• It remains insoluble

• It forms hydrochloric acid

• It forms sulfurous acid

• It forms sulfuric acid

What happens to blue litmus paper when exposed to sulfur dioxide gas?

• It turns blue

• It turns red

• It turns green

• It remains unchanged

What is the nature of sulfur dioxide gas based on its reaction with litmus paper?

• Basic

• Neutral

• Acidic

• Amphoteric

What is the effect of sulfur dioxide gas on potassium permanganate solution?

• It turns the solution purple

• It turns the solution colorless

• It turns the solution green

• It has no effect

What color change is observed when sulfur dioxide gas reacts with potassium dichromate solution?

• Orange to green

• Green to orange

• Purple to colorless

• Colorless to purple

Which property of sulfur dioxide gas is demonstrated by its reaction with potassium permanganate?

• Catalytic

• Oxidizing

• Reducing

• Neutralizing

What are the products formed when sulfur dioxide reacts with potassium dichromate and sulfuric acid?

• Both A and B

• None of the above

• Chromium(III) sulfate and water

• Potassium sulfate and water