DISPLACEMENT OF HALOGEN FROM ITS HALIDE SOLUTION

Which of the following is the most reactive halogen ?

• Flourine

• Chlorine

• Bromine

• Iodine

Which of the following reactions does not occurs?

• Potassium bromide solution with chlorine water

• Potassium iodide solution with bromine water

• Potassium chloride with bromine water

• Potassium iodide solution with chlorine water

Which of the following is a good oxidizing agent?

• Chlorine water

• Iodine water

• Potassium bromide solution

• Potassium iodide solution

What is the oxidation number of bromine in potassium bromide solution?

• +1

• +2

• -1

• -2

What is the best statement explains reduction in displacement of halogen from its halide solution?

• Colourless solution turns brown

• Brown solution turns colourless

• Colour of mixture remains unchange

• Colour of mixture become darker

What is the change in oxidation number of bromine when reacts with chlorine?

• -1 to 0

• 0 to -1

• +1 to 0

• 0 to -1

Why potassium bromide solution undergo oxidation?

• Bromide ion release electrons.

• Bromide ion gain electrons.

• Bromine molecule ion release electrons.

• Bromine molecule ion gain electrons.

What can be observe when bromine water is added into potassium iodide solution?

• Yellow solution formed.

• Brown solution formed.

• Purple solution formed.

• Colourless solution formed.

What is the colour of iodine when 1,1,1-trichloroethane is added?

• Brown colour formed.

• Yellow colour formed.

• Purple colour formed.

• Colourless colour formed.

Which of the following statements is true when redox reaction occurs?

• More reactive halogen will displaces less electronegative halogen from its salt solution

• More reactive halogen cannot displaces less electronegative halogen from its salt solution

• Less reactive halogen will displace more electronegative halogen from its salt solution

• Less reactive halogen cannot displaces more electronegative halogen from its salt solution