Chapter 7 halogens_halide ions

Question 1

5 oxidising agents

Answer 1

1.K₂Cr₂O₇ (VI). 2.KMnO₄ (VII). 3.Halogens. 4.O₂.

Question 2

Halogens are oxidising agents or reducing agents?

Answer 2

Oxidising agents

Question 3

For halogens, down the 17th group, oxidising strength…

Answer 3

decreases

Question 4

Halide ions are oxidising agents or reducing agents?

Answer 4

Reducing agents

Question 5

For halide ions, down the 17th group, reducing strength…

Answer 5

increases

Question 6

5 reducing agents

Answer 6

1.Halide ions. 2.Hydrogen. 3.Reactive metals eg.Aluminium. 4.NaBH₄ (aq). 5.LiAlH₄ (ether).